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Worksheets

Ohms Law

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

What is the unit of measure for current?

a)

ampere

b)

current

c)

voltage

d)

ohms

2.

What unit of measure is for resistance?

a)

ohms

b)

ampere

c)

voltage

d)

watts

3.

What moves when we say that there is current?

a)

inductors

b)

conductors

c)

electrons

d)

atoms

4.

If there is a current of 2A and a resistance of 24 ohms, what voltage will there be?

a)

26 V

b)

48 V

c)

12 V

d)

22 V

5.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
6.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
7.

If the voltage is increased and the resistance stays the same, what will current do?

a)
Increase
b)
Decrease
c)
Stay the same
d)
X
8.

If the voltage stays the same and resistance is increased, what will current do? 

a)
Increase
b)
Decrease
c)
Stay the same
d)
X
9.
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
a)
12 volts
b)
24 volts
c)
1.3333
d)
48 volts
10.
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
a)
10 volts
b)
1 volt
c)
48 volts
d)
5 volts
11.

An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.

a)

60Ω

b)

120Ω

c)

180Ω

d)

240Ω

12.

A circuit contains a 1.5 volt battery and a lamp with a resistance of 3 ohms. Calculate the current.

a)

0.5A

b)

1A

c)

1.5A

d)

2A

13.

If a toaster produces 12 ohms of resistance in a 120-volt circuit, what is the amount of current in the circuit?

a)

5A

b)

10A

c)

15A

d)

20A

14.

How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of

resistance?

a)

10V

b)

50V

c)

100V

d)

150V

15.
How do you calculate voltage?
a)
Current X Resistance
b)
Resistance ÷ Current
c)
Current ÷ Resistance
d)
Measure it with a ruler