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Francisco

Questions (4)

A clothes dryer uses about 2 amps of current from a 240 volt line. How much power does it use?
1. 1 answer
2. 742 views
A camcorder has a power rating of 16 watts. If the output voltage from its battery is 4 volts, what current does it use?
1. 3 answers
2. 674 views
The law of reflection states that if the angle of incidence is 7 degrees, the angle of reflection is ___ degrees.
1. 3 answers
2. 709 views
What is the wavelength of an earthquake wave if it has a speed of 8 km/s and a frequency of 8 Hz?
1. 2 answers
2. 583 views

x=25=5
1.B 2.C 3.B 4.D 5.B
A 1.5m wire carries a 9 A current when a potential difference of 89 V is applied. What is the resistance of the wire? The current in a hair dryer measures 10 amps. The resistance of the hair dryer is 8 ohms. What is the voltage?
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