Free Printable Current of electricity

Worksheets

Current of electricity

Total questions: 13

Worksheet time: 7mins

Name

Class

Date

Define electric current.

It is the work done by the source in driving charges around a complete circuit.

It is a measure of the rate of flow of electric charge through a given cross-section of a conductor.

It is the work done by the source in driving a unit charge around a complete circuit.

It is a measure of the flow of electric charge through a given cross-section of a conductor.

What does the arrows in the circuit represents?

conventional current

eletromotive force

electron flow

voltage

Which instrument is shown in the picture?

voltmeter

ammeter

galvanometer

multimeter

What is the function of a dry cell?

A conductor that connect the components together.

A method of opening or closing the circuit.

A source of electromotive force that drives electric charges around the circuit.

A load in which moving charges can do a useful job.

Define electromotive force.

It is the work done by the source in driving charges around a complete circuit.

It is the work done by the source in driving a unit charge around a complete circuit.

It is a measure of the rate of flow of electric charge through a given cross-section of a conductor.

It is a measure of the flow of electric charge through a given cross-section of a conductor.

What does the voltmeter reading show?

The eletromotive force of the electrical source

The electromotive force of the bulb

The potential difference across the bulb

The potential difference across the electrical source

If a battery has an e.m.f of 12.6 V, what would be the current for a 6 $\Omega$ resistor?

2.1 A

75.6 A

0.5 A

15 A

An electrical element with a resistance of $5\ \Omega$ experiences a current of 15 A across it. What is the potential difference across this element?

3 V

20 V

75 V

275 V

if 50C of charge flows though a point in 10 sec, what is the current passing through that point?

0.2A

60A

500A

10.

What does 5A refer to?

5 Coulombs of charge flows through a point in 1 second

5V of electricity across 1 ohm of resistance

5V of electricity causing 1C of charge to flow

5C of charge flowing through a point

11.

3J of energy is dissipated from a circuit when 6C of charge flows through the cell. What is the emf of the cell?

0.5V

18V

12.

what is the resistance of the resistor in the circuit shown in the diagram?

0.5Ω

2Ω

3Ω

18Ω

13.

What is the potential difference across the 2Ω resistor?

0.3 V

12V

100 %

Current of electricity

Total questions: 13

Worksheet time: 7mins

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