Quiz sheet for basic electrical circuit

Connected cables are protected from damage due to excessive current by a:

A) capacitor

B) switch

C) fuse

D) resistor

Opposition to electric current is termed:

A) flow

B) pressure

C) voltage

D) resistance

The meter used to measure electrical pressure in a circuit is a/an:

A) ohmmeter

B) ammeter

C) voltmeter

D) wattmeter

The unit of electric current is the:

A) watt

B) ampere

C) volt

D) ohm

A battery provides a source of electrical:

A) resistance

B) pressure

C) displacement

D) opposition

The symbol used to represent potential difference is

A) P

B) V

C) I

D) R.

The ohm is the unit for electrical:

A) voltage

B) resistance

C) current

D) E.M.F.

The voltage measured across a closed switch will equal

A) the total supply voltage

B) half the supply voltage

C) zero

D) not enough information given

To protect the circuit wiring , a fuse is connected in

D) parallel with the supply

The unit of electrical current is the

A) ampere

B) volt

C) ohm

D) coulomb

The electrical pressure which will cause electric current to flow in a closed circuit is termed:

A) magnetomotive force

B) conventional current

C) electromotive force

D) electric charge

The device used to automatically protect the load and energy source from excessive current in an electric circuit is termed:

A) an earth leakage breaker

B) a switch

C) a warning lamp

D) a fuse

For an electrical pressure to cause electrons to flow, there must be:

A) a closed circuit

B) an open circuit

C) an electrostatic field

D) an electric charge