wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Electricity

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

Calculate the total resistance if voltage is 10V and current is 5 Amp.

a)

2 ohm

b)

50 ohm

c)

0.5 ohm

d)

15 ohm

2.

Calculate I if voltage given is 24 V and R1 is 2 ohm and R2 is 4 ohm

a)

6 Amp

b)

12 Amp

c)

4 Amp

d)

4.6 Amp

3.

With an increase of length, resistance will ____________ .

a)

remain

b)

decrease

c)

increase

d)

not affected

4.

With an increase in temperature, resistance will ____________ .

a)

remain

b)

decrease

c)

increase

d)

not affected

5.

With a decrease of cross-

section of a conductor, resistance will ____________ .

a)

remain

b)

increase

c)

decrease

d)

not affected

6.

Calculate R2 if total resistance is 7 ohm. Given R1 is equal to R2.

a)

7 ohm

b)

3.5 ohm

c)

3 ohm

d)

0.5 ohm

7.

Given voltage is 15V and current is 5A, calculate R2 if R1=R2.

a)

0.1 ohm

b)

20 ohm

c)

0.2 ohm

d)

1.5 ohm

8.

Electrons move from ____________

a)

positive to negative

b)

negative to positive

c)

negative to negative

d)

positive to positive

9.

Calculate current total if voltage total is 8 V, R1 and R2 are 4 ohm each.

a)

2 A

b)

4 A

c)

5 A

d)

1 A

10.

Calculate voltage at R2 if total voltage is 12V, R1 and R2 are 3 ohm each and current is 1.5 A.

a)

12 V

b)

4 V

c)

4.5 V

d)

9 V

11.

The basic Ohm’s Law formula is ____________ .

a)

V = I/R

b)

V=IR

c)

I=VR

d)

I=R/V

12.

Which is not calculation to calculate power?

a)

P=IV

b)

P=V2/R

c)

P= I2R

d)

P=I2/V

13.

What is the total resistance of a series circuit with the

following values: R1=10 Ω, R2=15 Ω, and R3=20 Ω?

(a)  

14.

The total resistance of a parallel circuit that has four

20 Ω resistors is (a)   Ω.

15.

Like charges ____________ and unlike charges

____________ .

a)

repel, attract

b)

attract, repel

c)

attract,attract

d)

repel,repel