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Current, Voltage and Resistance

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.
Voltage is measured in __.
a)

volts

b)

ohms

c)

amperes

2.

What is Resistance?

a)

The flow of electrons

b)

Electric potential difference

c)

A measure of the opposition to current flow in an electrical circuit.

3.

Based on the model, which of the following would be true regarding the relationship between voltage, current, and resistance?

a)

Current will reduce voltage.

b)

Current will not pass through resistance.

c)

Resistance will reduce current.

d)

Voltage will reduce resistance.

4.

What is resistance measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

5.

As the resistance of a circuit increases, the current will...

a)

Increase

b)

decrease

c)

stay the same

6.

Which equation can be used to calculate the resistance R of a resistor?

a)

V = I / R

b)

I = V x R

c)

V = I x R

7.

What would the circuit resistance be if a 7 Amp draw was present with the engine running and the charging system producing 14 Volts

a)

15 Ohms

b)

4 Ohms

c)

2 Ohms

8.

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)

4 Amps

c)

2 Amps

9.

If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?

a)

5 V

b)

12 V

c)

20 V

10.
If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?
a)
5 V
b)
12 V
c)
0.2 V
d)
20 V