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Questions and answers by
Linda Emory
Questions (19)
You set up a pulley to help you lift something. You anchor the rope at one end and arrange a moveable pulley to achieve a
1 answer
182 views
John loads a collapsed inflatable boat into a two-wheeled "grocery type" hand cart and wheels it down to the lake. answer c. The
1 answer
120 views
POWER is expressed in----. watts?
5 answers
107 views
The television set in your livingroom runs on ----current.. alternating current?
3 answers
103 views
A coulomb is a measure of----whereas an ampere is a measure of----. quanity and a measure of rate?
3 answers
187 views
The MAIN purpose of the grounding pin in a three-prong plug for an appliance is to----. prevent electrical shocks?
3 answers
163 views
The object that uses up the energy being delivered in an electrical circuit is called the----? load?
1 answer
106 views
IN YOUR HOME YOUR STOVE AND ELECTRIC CLOTHES DEYER USUALLY RUN ON ---VOLTS? 120X2=240 VOLTS
3 answers
100 views
Electromagnetic induction occures when--- HOW?
3 answers
108 views
The Greek
philosophers believed in four basic "elements". Which of the following was NOT specifically identified as one of these?
3 answers
113 views
Four 9-volt batteries are connected in parallel. How much voltage is active across the circuit?
1 answer
191 views
In a wet type of voltaic cell, what is electrolyte?
7 answers
241 views
In a typical home electrical panel installation the main ground wire is connected directly from a ground rod driven into the
2 answers
142 views
There are 3 sources of resistance in a parellel circuit. Two of them are rated at 20 ohms, the other at 10 ohms.What is the
3 answers
148 views
In experiments involving a pithball electroscope, what causes the pithball to move? repulsion?
3 answers
172 views
There are 2 light bulbs in a circuit,wired in parallel. Athird light bulb is added again in parallel.What is the effect on total
3 answers
183 views
Calculate the resistance in a circuite in which a 9-volt battery produces 3 amperes. What is the ohms?
9 answers
166 views
What happens when you rub an ebonite stick with a wool cloth?
7 answers
157 views
which of the following countries was not a member of the Axis powers during World War 2? Germany,Italy Japan,Russia
1 answer
197 views
Answers (24)
watts
Watts is used in power expression.
Yes the tv runs on alternating current(ac).
Coulomb is qualtity whereas an amper is rate of flow.
prevents electrical shocks
YES 240- VOLT CIRCUIT IS ESSENTIAL
A CONDUCTOR IS MOVED THROUGH A MAGNETIC FIELD IS WHEN INDUCTION OCCURES.
Metal wasn't one of the four basic" elements".
quartz and Rochelle salt crystals
crystals
Piezoelectrictricity is caused by pressing or squeezing--- What?
grounding
yes the answer is B. Electrons become charged when a charged object comes close to it, causing it to become charged.The movement is moved.
When the attraction to the object approaches the the pithball there is an immediate repulsion is the answer.
Answer -Total resistance decreases.
The electrons are transfered to the stick, causing it to take on a negative charge. Answer a.
yes the answer is d. 3v V2=(R2/(R1+R2) ) xVtotal
The choice of answer is either a. 6v b.5v c.4v d.3v so The battery voltage change is 9volts and the new voltage across light bulb #2 is 3v.
There was a chart, it needs the information changed by only piece : change the battery voltage to 9 volts.Once you have redone each of the tables, what is the new voltage across light bulb #2? I have 5V as an answer.
yes the answer is a. 3 ohms RT= 9volts/3amps=3 V=9volts, and I=3amps:R=3ohms
yes the answer is a. negative charge.
yes the answer is a. Electrons are transfered to the stick,causing it to take on a negative charge.
yes the answer is cTHE TOTAL RESISTANCE DECREASES
Russia
