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Ohm’s Law

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Define Ohm’s Law

a)

a law stating that electric current is proportional to voltage and inversely proportional to resistance.

b)

a law stating that electric current is proportional to resistance and inversely proportional to voltage.

2.

According to Ohm's Law, current equals the voltage divided by the _________.

a)

Resistance

b)

Inductance

c)

Capacitance

d)

Power

e)

Conductance

3.

If the current in an electrical circuit is constant, what will happen to the voltage if the resistance is increased?

a)

The voltage will decrease

b)

The voltage will increase

c)

The voltage will stay the same

4.

What is the Voltage, V in the circuit shown?

a)

6.5 V

b)

26 V

c)

0.15 V

5.

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

6.

The circuit with higher resistance will allow less charge to flow, meaning the circuit with higher resistance has less current flowing through it.

a)

True

b)

False

7.

10) If you increase the size of the resistor and keep the voltage the same, what will happen to the current?

a)

The current will decrease

b)

The current will increase

c)

The current will stay the same

8.

Two resistors having values 5 ohms and 10 ohms are connected in series to a 10 V source. Find the current flowing through the circuit:

a)

0.66 A

b)

1.5 A

c)

2 A

d)

2.5 A

9.

Two parallel resistors both having their values 28 ohms are connected in parallel. The overall current provided by the 28 V source is.

a)

1 A

b)

2 A

c)

4 A

d)

8 A

10.

The potential difference across a 5 kΩ is 12 V. Find the current flowing through the resistor

a)

60 mA

b)

2.4 mA

c)

1.7 mA

d)

0.998 mA