wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

ohms law and circuits

Total questions: 22

Worksheet time: 53mins

Name
Class
Date
1.

What unit is used to measure voltage?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

2.

What unit is used to measure current?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

3.
What kind of circuit is this?
a)
series
b)
parallel
4.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current has more than one path to flow through
5.

Simple, Series, or Parallel?

a)

Simple

b)

Series Circuit

c)

Parallel Circuit

6.

12. An overhead wire has a potential difference of 30,000 volts. If the current flowing through the wire is 1,000 amperes, what is the resistance of the wire?

a)

0.033 ohms

b)

30 ohms

c)

3.0 x 10^7 ohms

d)

3.0 x 10^8 ohms

7.

If the potential difference is 12 volts and the resistance is 5 ohms, what is the current?

a)

2.4 A

b)

60 A

c)

0.417 A

d)

17 A

8.

Solve for the total resistance of the circuit shown

a)

50 V

b)

1970 ohms

c)

705 K ohms

d)

20 Amps

9.

Solve for total Current in the circuit shown

a)

25 Amps

b)

35 amps

c)

25 milliamps

d)

35 milliamps

10.

What is the total circuit resistance of the following five resistors connected in series?

R1 = 27 ohms

R2 = 33 ohms

R3 = 51 ohms

R4 = 1.2 kohms

R5 = 240 ohms

Rt = __________ Ohms

a)

353.2

b)

1551

c)

1.9 K

11.

What is the current passing through this circuit?

a)

0.5 A

b)

0.05 A

c)

0.005 A

d)

0.0005

12.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
13.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
14.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
15.
The current going through the 45 ohm resistor is 
a)
0.05 amps
b)
0.2 amps
c)
0.1 amps
d)
5 amps
16.
The total resistance of this circuit is 
a)
25.7 ohms
b)
315 ohms
c)
324 ohms
d)
90 ohms
17.
The total current going through the battery of this circuit is
a)
0.35 amps
b)
0.0286 amps
c)
0 amps
d)
9 amps
18.
Electrical power can be calculated using
a)
Resistance x Voltage
b)
Voltage x Current 
c)
Voltage ÷ Current
19.
What will be the current drawn by an electric bulb of 1000 W when it is connected to a source of 220 V?
Remember: I = P/V
a)
4.55 A
b)
28800 J or 28.8 KJ
c)
80 W
d)
200 W
20.

What is the unit of Electrical Power?

a)

Joule

b)

Watt

c)

Where

d)

Amp

21.

Calculate the voltage applied when a 60 watt light-bulb uses a current of 5 amps

a)

300 volts

b)

30 volts

c)

12 volts

d)

0.08 volts

22.

A pair of 15-watt computer speakers are connected to a 12-volt power supply. what is the electric current running through the speakers?

a)

1.25 A

b)

0.8 A

c)

12.5 A

d)

180 A

Similar Resources on Wayground

Magnet1- Form 3

20 questions

Magnet1- Form 3

quiz

Worksheet

•

8th - 9th Grade

Physics equations

20 questions

Physics equations

quiz

Worksheet

•

9th - 11th Grade

Heat and Heat transfer

19 questions

Heat and Heat transfer

quiz

Worksheet

•

10th - 11th Grade

Chemical effects of electric current

19 questions

Chemical effects of electric current

quiz

Worksheet

•

8th - 9th Grade

Electricity Quiz 1

20 questions

Electricity Quiz 1

quiz

Worksheet

•

9th - 10th Grade

Student TEST Motion in 2 dimensions

18 questions

Student TEST Motion in 2 dimensions

quiz

Worksheet

•

9th - 12th Grade

AC and DC

20 questions

AC and DC

quiz

Worksheet

•

5th Grade - University

PART 2 - IPC B Finals REVIEW

20 questions

PART 2 - IPC B Finals REVIEW

quiz

Worksheet

•

9th - 11th Grade