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Questions (510)

What is an electronic signal?an induced current that changes voltage a varying current that represents information a generated
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Which would most accurately show analog change of temperature over time?circle graph bar graph line graph picture graph
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2. 139 views
Which use of electricity is classified as electrical, not electronic?communicating processing information lighting controlling
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The dashboard in your car shows an outside temperature of 73°F. A minute later it reads 72°F. This is an example of _____.an
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2. 88 views
Since the normal voltage in a home is 120 V, what is used to bring the voltage to that level?a direct transformer a step-down
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2. 154 views
In a transformer, where is current induced?turbine armature primary coil secondary coil
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How do charges behave in an alternating current?they move back and forth in a circuit they flow in a positive direction only
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2. 147 views
The _____ in a step-up transformer has fewer loops.tertiary coil primary coil voltage coil secondary coil
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2. 157 views
What did Thomas Edison's first generating plant produce?alternating current direct current light bulbs both alternating and
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Electric current from a generating plant is _____.direct current transmitted at low voltages alternating current transmitted at
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Who received patents for a system of distributing alternating current?Nikola Tesla Hans Christian Oersted Michael Faraday Thomas
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Which type of current does a transformer work with?direct current battery current alternating current magnetic current
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How does an AC generator compare to an electric motor?They are opposite. They use different types of current. Electric motors
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2. 162 views
To permit electrical energy to be sent over long distances at high voltage, then reduced to a lower voltage for everyday use,
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Which type of current is created from the motion of a conductor in a magnetic field?induced current positive current motion
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2. 109 views
What does a generator do?transforms magnetic energy into electrical energy transforms friction into electrical energy transforms
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How does a generator work?It changes chemical energy to electrical energy. It uses motion in a magnetic field to produce
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In an AC generator, what happens each time the armature turns halfway?The magnetic field changes polarity. The current changes
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2. 103 views
Which is part of an AC generator?commutator turbine armature transformer
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hat is a transformer typically used for?measuring electric current increasing or decreasing voltage transforming electrical
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2. 95 views
What is a transformer typically used for?measuring electric current increasing or decreasing voltage transforming electrical
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2. 98 views
What is necessary in order for a transformer to operate?The primary coil must have more loops than the secondary coil. The
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2. 154 views
A transformer that has fewer loops in its secondary coil than in its primary coil is a _____ transformer.low-voltage step-down
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2. 164 views
What is the voltage supplied to most outlets in your house?765,000 volts 12 volts 11,000 volts 120 volts
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Which principle of electromagnetism allows a transformer to work?induction generation voltage transformation
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2. 106 views
nside a generator, an electric current is induced _____.in an armature in slip rings in a turbine in a commutator
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How does a generator produce electricity?A constantly changing magnetic field induces an electric current. Current is supplied
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Which supplies mechanical energy to run a generator?armature turbine brushes commutator
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2. 105 views
How does a typical generator produce alternating current?A commutator changes the induced current from direct to alternating
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2. 149 views
How is energy transferred through a generator that produces electric current?from turbine to brushes to slip rings to armature
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2. 125 views
When a coil of wire is moved through a magnetic field, _____.a solenoid is created the voltage is first raised and then lowered
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2. 123 views
A current consisting of charges that flow in one direction only is _____.an induced current an alternating current a direct
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2. 169 views
ou move a bar magnet two inches through a coil of wire. What do you observe in a galvanometer hooked up to the coil?The pointer
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2. 161 views
Producing an electric current by moving a conductor through a magnetic field is called _____.mechanical energy direct current
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2. 117 views
Which type of current is best for sending electrical energy from one location to another? Why?Alternating current, because its
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2. 174 views
ou move a bar magnet two inches through a coil of wire. What do you observe in a galvanometer hooked up to the coil?The pointer
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2. 126 views
Producing an electric current by moving a conductor through a magnetic field is called _____.direct current electromagnetic
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2. 132 views
When a coil of wire is moved through a magnetic field, _____.mechanical energy is transformed into electrical energy the voltage
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2. 121 views
A current consisting of charges that flow in one direction only is _____.a magnetic current an alternating current a direct
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2. 185 views
Which type of current is best for sending electrical energy from one location to another? Why?Direct current, because it can be
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2. 207 views
Multiple ChoiceEighteen students in a class play baseball. Seventeen students in the class play basketball. Thirty students in
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2. 244 views
Forty people were surveyed about their favorite flavor of ice cream. How many like just chocolate?A Venn diagram has two
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2. 182 views
In a marketing survey involving 1,000 randomly chosen people, it is found that 630 use brand P, 420 use brand Q, and 210 use
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2. 186 views
In a school of 464 students, 89 students are in the band, 215 students are on sports teams, and 31 students participate in both
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2. 173 views
Which histogram for drivers’ ages matches the data from the frequency table below?Drivers' Ages Age Frequency 17–19 2
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Which line plot matches the set of data?61, 58, 57, 64, 59, 57, 64, 58, 56, 57 A. line plot aThe line has tick marks at
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Multiple ChoiceWhich line plot matches the set of data? 61, 58, 57, 64, 59, 57, 64, 58, 56, 57 A. line plot aThe line has tick
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There was a berry-picking contest at the Earth Day celebration this year. The line plot below shows the number of pints of
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Which frequency table shows the test times (in minutes) for a reading test?81, 63, 61, 58, 72, 70, 79, 68, 82, 64, 54, 82, 72,
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2. 342 views
Multiple ChoiceFind the mean, median, and mode of the data set. 15, 16, 21, 23, 25, 25, 25, 39 A. mean = 23.6, median = 25, mode
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22.6 is an outlier for which of the following sets of data?A. 22.6, 21.5, 23.7, 22.6, 28.9, 22.6, 20.9 B. 2.4, 5.3, 3.5, 22.6,
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Find the mean, median, mode, and range of the data set.Daily temperature in degrees Celsius: 24, 24, 25, 27, 31, 32, 38, 39 A.
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Pat recorded the weights of the first ten fish she caught and released at Mirror Lake this season. The weights were 8 lb, 6 lb,
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Find the outlier in the data set and tell how it affects the mean.4, 4, –6, –2, 14, 1, 1 A. –6; it raises the mean by
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2. 139 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.A cone with a diameter
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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.A cylinder has diameter
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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.A pyramid on its side is
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What is the volume of the pyramid to the nearest whole unit?A pyramid with a rectangular base is shown. The base has sides of
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2. 245 views
What is the surface area of a sphere with a radius of 4 meters rounded to the nearest square meter?A. 50 m2 B. 101 m2 C. 201 m2
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Use the net to find the approximate surface area of the cylinder to the nearest square meter.A cylinder and its corresponding
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2. 302 views
A solid with two parallel and congruent bases cannot be which of the following?A. cone B. prism C. cylinder D. cube
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2. 279 views
What is the volume of a sphere with a radius of 4 meters rounded to the nearest square meter?A. 67 m3 B. 201 m3 C. 268 m3 D. 804
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2. 115 views
Which solid does the net form?A net diagram is shown that is composed of a central normal hexagon. Each side of the hexagon
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Which of the following are considered skew lines?A rectangular prism labeled ABCD on left side and EGHF on right side. A. AC and
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2. 241 views
A cone has a radius of 15 cm and a volume of 540 cm3. What is the volume of a similar cone with a radius of 10 cm?
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2. 114 views
A cone has a radius of 15 cm and a volume of 540 cm3. What is the volume of a similar cone with a radius of 10 cm?A. 54 cm3 B.
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2. 126 views
What is the volume of the triangular prism to the nearest whole unit?A triangular prism is shown. The height of the prism is 16
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2. 272 views
Which of the following is the front view for the mode?Question Group 5 Question 3 A. Question Group 5 Question 3 Answer option a
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What is the base plan for the set of stacked cubes?Eight stacked cubes are shown. Two cubes are side by side at the front of the
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2. 166 views
What is the length of the diagonal for the given rectangular prism to the nearest whole unit?A rectangular prism is shown. A
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2. 253 views
What is the volume of the prism to the nearest whole unit?A rectangular prism with sides measuring 12 inches, 8 inches, and 4
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2. 140 views
What is the volume of the cone to the nearest whole unit?A cone is shown. A dashed line from the edge to the center of the
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2. 263 views
What is the slant height for the given pyramid to the nearest whole unit?A pyramid with a rectangular base is shown. Inside is a
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2. 421 views
What is the surface area of the given figure?A triangular prism is shown. The height of the prism is 32 centimeters and the
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2. 142 views
Which solid does the net form?A surface net image is shown. The center rectangle is surrounded by equilateral triangles on all
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2. 267 views
The cones below are similar, although not drawn to scale.Two cones are displayed. The smaller cone to the left is labeled 'r
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2. 171 views
Which solid has one base that is a triangle and three lateral surfaces that are triangles?A. triangular pyramid B. triangular
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2. 287 views
Portfolio AssignmentIn this portfolio assignment, you will choose an event from the Great Depression and World War II eras and
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In this portfolio assignment, you will choose an event from the Great Depression and World War II eras and take on a persona
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2. 210 views
Which of the following best describes the treatment of African Americans who fought in World War II?A. They were treated as
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How did changes in Georgia’s agriculture during the second half of the 20th century affect the distribution of population in
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2. 236 views
Which of these trends contributed to the condition of Georgia’s economy after World War II?A. loss of confidence in exploring
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2. 247 views
Which was a major contribution of Georgia during World War II?A. Radar technology was developed and tested at Georgia military
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Which event resulted in Japan’s surrender and the end World War II in the Pacific?A. German forces marched into Poland. B.
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Which describes an effect of World War II on the state of Georgia? Select all that apply.A. Thousands of new jobs were available
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Why did the United States enter World War II?A. It did not agree with British politics. B. It wanted land in Europe. C. It was
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A. Countries were strongly nationalistic.B. Germany declared itself democratic. C. Fascist dictators wanted to create empires.
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Which of the following best identifies Governor Talmadge’s position on the New Deal?A. He supported New Deal policies and
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Lina Belle McCommons, a North Carolina citizen who formerly lived in Georgia, said the following about her younger days there:
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What was the New Deal?A. an agreement between Georgia Democrats and Republicans to end the white primary B. a series of
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Which of the following reforms was introduced to Georgia’s voting system during the time Ellis Arnall served as governor?
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What was the impact of the New Deal programs on Georgians? Select all that apply.A. Citizens received benefits directly from the
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What was the significance of the election of 1936? Select all that apply.A. Talmadge became a senator and stayed active in
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2. 130 views
Which of the following was a goal of the New Deal? Select all that apply.A. bring relief to the poor and unemployed B. enact new
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The New Deal established which of the following? Select all that apply.A. Civilian Conservation Corps B. Public Works
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Which of the following best describes the opposition to the New Deal in Georgia?A. Farmers protested that they were not helped
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Which of the following elements of the New Deal determined how much farmers could grow of a particular crop?A. Agricultural
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Compare the economic hardships of the Great Depression with today’s economical struggles. You will post a one-paragraph
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Which of the following is true about the 1920s? Select all that apply.A. Women began to work outside the home. B. Automobiles
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2. 132 views
overborrowing money and overusing creditspeculating on the rise of stock prices overproduction in agriculture and low wages in
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2. 171 views