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Science & Principles RA01

Total questions: 12

Worksheet time: 10mins

Name
Class
Date
1.

Complete the following statement - The resultant electron flow around the circuit is called an electric...

a)

Voltage

b)

Power

c)

Resistance

d)

Current

2.

Complete the following statement - The resultant energy produced by a circuit is called ...

a)

Voltage

b)

Power

c)

Resistance

d)

Current

3.

Which of the following is NOT a conductor

a)

Copper

b)

Dirty water

c)

Air

d)

Gold

4.

Which of the following is NOT an effect of an electric current

a)

thermal

b)

radiation

c)

chemical

d)

magnetic

5.

Which of the following quantities is NOT correct

a)

Length is measured in Square metre (m2)

b)

Volume is measured in Cubic metre (M3)

c)

Joule (J) is the measure of Energy

d)

Power is measured in Watts (W)

6.

Electrical Resistance is measured in

a)

A

b)

Ω

c)

V

d)

°C

7.

Which of the following is NOT measured in ohms

a)

Inductive reactance

b)

Impedance

c)

Resistivity

d)

Capacitive reactance

8.

Which of the following is the odd one out

a)

1/2 = 0.5 = 50%

b)

25% = 1/4 = 0.25

c)

0.33 = 33% = 3

d)

7/8 = 87.5% = 0.875

9.

A circuit with a resistance of 12 ohms is connected to a 10 volt supply. The resultant current is

a)

120 Amperes

b)

1.2 Amperes

c)

0.83 Amperes

d)

0.83 Watts

10.

The resistivity of copper is 0.0000000172 ohm/metre3

a)

17.2 *10-8 ohm/metre3

b)

17.2 * 10-9 ohm/metre3

c)

1.72 * 10-8 ohm/metre3

d)

1.72 * 10-9 ohm/metre3

11.

A right angle triangle has a hypotenuse that is 15 cm long. One of the two other sides is 12 cm. What is the length in cm of the remaining side

a)

9

b)

18

c)

27

d)

6

12.

If A * B = C / D. Which of the following is correct

a)

C = A * D * B

b)

C = A * D / B

c)

A * D / B = C

d)

C = A / D * B