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Ohm's Law Calculation Practice

Total questions: 15

Worksheet time: 27mins

Name
Class
Date
1.
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
2.
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
3.
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
4.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
5.

How much resistance is required to create 19 A with a 120 V source?

a)

63.2 Ω

b)

6.32 Ω

c)

6.32 W

d)

632 Ω

6.

How much voltage is required to create 900 W on a circuit pulling 4 A?

a)

2.25 V

b)

22.5 V

c)

225 V

d)

225 Ω

7.

If the battery produced 12.6 Volts and there was a 6 Ohm resistor, what would be the current?

a)

2.1 Amps

b)

2.4 Amps

c)

1.71 Amps

d)

15 Amps

8.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
9.
What resistance is needed to cause a 50A current flow because of a 500V battery?
a)
10Ώ
b)
c)
2500Ώ
d)
550Ώ
10.

If there are 40 Volts and 5 Amps running through an electrical circuit, what is the resistance of the circuit?

a)

1 Ohm

b)

2 Ohms

c)

4 Ohms

d)

6 Ohms

e)

8 Ohms

11.

If an electric ceramic brush has a current of 0.3 amps and a voltage of 120 volts, what is the resistance?

a)

18Ω

b)

36Ω

c)

200Ω

d)

400Ω

12.

If a charger for a tablet offers a voltage of 120V and has 240Ω of resistance, what is the amperage?

a)

0.5A

b)

2A

c)

14,400A

d)

28,800A

13.

If a computer has 10.0A of current and 11Ω of resistance, what is its voltage?

a)

0.9V

b)

1.1V

c)

55V

d)

110V

14.

If the Voltage stays the same and Resistance is increased, Current will

a)

Increase

b)

Decrease

c)

Stay the same

d)

none of these

15.

If the Voltage is increased and the resistance stays the same, Current will

a)

Increase

b)

Decrease

c)

Stay the same

d)

none of these