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Worksheets

Ohm's Law and Circuits

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

What unit is used to measure voltage?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

2.

What unit is used to measure current?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

3.

What unit is used to measure resistance?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

4.

What is the unit for power?

a)

Ampere

b)

Ohm

c)

Volt

d)

Watt

5.

What is the unit for current?

a)

Ampere

b)

Watt

c)

Volt

d)

Ohm

6.

What is the unit for energy?

a)

Watt

b)

Joule

c)

Volt

d)

Ohm

7.

The following type of circuit has the current travelling in only one continuous pathway.

a)

series

b)

parallel

8.

This type of circuit has the current travelling through branches.

a)

series

b)

parallel

9.

Which variable in Ohm’s law represents the flow of electrons (much like the flow of a river)?

a)

resistance

b)

current

c)

voltage

10.

The circuit shown is a parallel circuit.

a)

True

b)

False

11.

Which bulb will be the brightest?

a)

Bulb A

b)

Bulb B

c)

Bulb C

d)

They will all be the same

12.

If a circuit has 12 volts and a resistance of 4 ohms, the current should be____________amps.

a)

3

b)

16

c)

8

d)

48

13.

If a circuit has 10 amps and a resistance of 4 ohms, the voltage should be____________volts.

a)

3

b)

16

c)

40

d)

48

14.

A parallel circuit has ____________________for current to flow.

a)

more than one path

b)

only one path

15.

A series circuit has ____________________for current to flow.

a)

more than one path

b)

only one path

16.

If a bulb in series circuit goes out,

a)

the rest of the circuit stops working

b)

the rest of the circuit continues working

17.

If a bulb in a parallel circuit goes out,

a)

the rest of the circuit stops working

b)

the rest of the circuit continues working

18.

This is most likely a calculation for total resistance in a ________________circuit

a)

parallel

b)

series

19.

This is most likely a calculation for total resistance in a ________________circuit

a)

parallel

b)

series

20.

A circuit is

a)

a path through which a current will flow

b)

a golf tournament

c)

a concert tour

d)

a comedian's routine