ALTERNATING VOLTAGE AND CURRENT

The unit of frequency is

• Volt

• Herts/second

• Cycle

• Hertz

A sinusoidal voltage has an rms value of 7.07V. The peak value is

• 7.07 V

• 10 V

• 14.14 V

• 20 V

Amplitude is the maximum value of a voltage or current

• True

• False

How many degrees are there in 2π rad

• 90

• 180

• 270

• 360

AC can be produced using a device called an alternator

• True

• False

This is the sources of Alternating Current AC except

• Generating plant

• Car baterry

• Wind power station

• Alternating current generator