Free Printable Ohm's Law

Worksheets

Ohm's Law

Total questions: 20

Worksheet time: 19mins

Name

Class

Date

What is current measured in?

Ω (Ohms)

V (Volts)

A (Amps)

W (Watts)

What is resistance measured in?

Ω (Ohms)

V (Volts)

A (Amps)

W (Watts)

What is Resistance?

The flow of electrons

Electric potential difference

A battery

Opposition to the flow of electrons

The mathematical relationship among Voltage, Current, and Resistance is called?

Faraday's Law

Tesla's Law

Edison's Law

Ohm's Law

Current times Resistance equals

(I X R) = ?

Power

Voltage

Amperage

Ohm

Voltage divided by Resistance

(V / R) = ?

Current

Power

Ohms

Watts

Voltage divided by Current

(V / I) = ?

Current

Power

Resistance

Watts

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

Increase

Decrease

Stay the same

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

Increase

Decrease

Stay the same

10.

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

1 Ohm

3 Ohms

4 Ohms

12 Ohms

11.

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

25 V

10 V

2.5 V

0.4 V

12.

If the battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?

2.1 Amps

2.4 Amps

1.71 Amps

15 Amps

13.

How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor

12 volts

24 volts

1.3333

48 volts

14.

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?

3 Amps

192 Amps

2 Amps

4 Amps

15.

How many Volts would we need to produce a current flow of 16 mA through a 4 k $\Omega$ resistor?

64V

6.4V

4kV

16.

A circuit has a 6 volt battery and the resistor is 2 k $\Omega$ . How many amps are running through the circuit?

12mA

12A

3 mA

17.

The plastic covering is there to:

Provide a conductor for electrical energy to flow.

Provide an insulator so that electrical energy will not pass outside of the wires.

Provide a conductor so that electrical energy can NOT flow.

Provide an insulator so that electrical energy can flow.

18.

What is this symbol?

resistor

switch

battery

bulb

19.

What size resistor would produce a 60mA current flow with a 6 Volt battery

1 k $\Omega$

100 $\Omega$

10 $\Omega$

1 $\Omega$

20.

To complete a circuit the switch must be

unattached

open

closed

It depends

Reset

Ohm's Law

Total questions: 20

Worksheet time: 19mins

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