Electricity revision

What device is used to measure current?

• Voltmeter

• Ammeter

• Thermometer

• Altimeter

This circuit has a total of 10 amperes. What is current going through the first bulb?

• 6

• 8

• 10

• 12

In this circuit the bulbs are identical. The current in bulb A is 12 amps. What is the current in bulb B only?

• 6

• 8

• 10

• 12

In this circuit the bulbs are identical. The current in bulb A is 12 amps. What is the total current in the circuit?

• 12

• 24

• 36

• 48

To measure voltage for bulb B, a voltmeter must be set up in...

• series

• parallel

If the bulbs in this circuit are identical and the voltage of the battery is 18 volts, what would you expect the reading to be for bulb B?

• 9V

• 18V

• 27V

• 36V

State the name given to describe the circuit used in household room lighting circuits

• Series

• Parallel

What device is used in household circuits to stop them from overloading and causing a fire

• Resistor

• Fuse

• Ammeter

• Voltmeter

In this circuit if you added another bulb and kept the voltage the same then the brightness of the bulbs would...

• Stay the same

• get dimmer

• get brighter

In this circuit, if you added another bulb beneath bulb B the brightness of the bulbs would...

• stay the same

• get dimmer

• get brighter