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M3 Science Core Final Exam Review

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

What is the difference in electrical energy between 2 points?

a)

Current

b)

Voltage

c)

Resistance

d)

Amperes

2.

What tool is used to measure voltage?

a)

Voltmeter

b)

Multimeter

c)

Ammeter

d)

Volleyball

3.

Can current flow if the electric potential between 2 locations is the same?

a)

Yes

b)

No

c)

Maybe

4.

What is the unit for voltage?

a)

Ampere

b)

Watt

c)

Volt

d)

Kilogram

5.

What is another name for voltage?

a)

Elastic energy

b)

Electric charge

c)

Current flow

d)

Electric potential difference

6.

What is the rate of flow of electric charge past a point or region?

a)

Voltage

b)

Current

c)

Resistance

d)

Ohm

7.

What is the unit for current?

a)

Volt

b)

Watt

c)

Ampere

d)

Gram

8.

What is the symbol for current?

a)

C

b)

A

c)

R

d)

I

9.

What tool is used to measure current?

a)

Ammeter

b)

Voltmeter

c)

Multimeter

d)

Thermometer

10.

What is the opposition to current flow?

a)

Voltage

b)

Current

c)

Circuit

d)

Resistance

11.

What is the unit for resistance?

a)

Resist (R)

b)

Volt (V)

c)

Ohm (Ω)

d)

Ampere (A)

12.

What tool is used to measure resistance?

a)

Ammeter

b)

Voltmeter

c)

Resistimeter

d)

Multimeter

13.

Which cable would have higher resistance?

a)

A

b)

B

c)

Same for both

14.

You have four pieces of copper at different temperatures. Which would have the highest resistance?

a)

Copper at 200 ℃

b)

Copper at 300 ℃

c)

Copper at 400 ℃

d)

Copper at 500 ℃

15.

Which wire would have higher resistance?

a)

A

b)

B

c)

Same for both

16.

What is an example of a conductor?

a)

Wood

b)

Cloth

c)

Metal wire

d)

Plastic

17.

What is an example of an insulator?

a)

Plastic

b)

Wood

c)

Rubber

d)

All of the options

18.

What law relates voltage, current, and resistance?

a)

Ampere's Law

b)

Ohm's Law

c)

Volt's Law

d)

Kassi's Law

19.

What is Ohm's Law?

a)

I = V x R

b)

R = V x I

c)

V = I / R

d)

V = I x R

20.

An alarm clock draws 2 A of current when connected to a 120 V circuit. What is the resistance?

a)

2 Ω

b)

30 Ω

c)

60 Ω

d)

240 Ω

21.

A circuit contains a 6 V battery and a bulb with a resistance of 2 Ω. What is the current?

a)

0.33 A

b)

3 A

c)

12 A

d)

24 A

22.

An air conditioner draws 3 A of current when connected to a 240 V circuit. What is the resistance?

a)

20 Ω

b)

60 Ω

c)

80 Ω

d)

720 Ω

23.

A circuit contains a 10 V battery and a bulb with a resistance of 2 Ω. What is the current?

a)

0.2 A

b)

2 A

c)

5 A

d)

20 A

24.

How much voltage would be necessary to generate 40 A of current in a circuit that has 2 Ω of resistance?

a)

10 V

b)

20 V

c)

40 V

d)

80 V

25.

How much voltage would be necessary to generate 20 A of current in a circuit that has 5 Ω of resistance?

a)

4 V

b)

50 V

c)

100 V

d)

200 V

26.

A circuit must be ______ for current to flow.

a)

Open

b)

Closed

c)

Incomplete

d)

Large

27.

Which switch is open?

a)

A

b)

B

28.

Which switch is closed?

a)

A

b)

B

29.

Is this circuit open or closed?

a)

Open

b)

Closed

30.

Is this circuit open or closed?

a)

Open

b)

Closed

31.

Is this a series or parallel circuit?

a)

Series

b)

Parallel

32.

Is this a series or parallel circuit?

a)

Series

b)

Parallel

33.

Is this a series or parallel circuit?

a)

Series

b)

Parallel

34.

Is this a series or parallel circuit?

a)

Series

b)

Parallel

35.

What is Box A?

a)

Current flow

b)

Control (switch)

c)

Load

d)

Resistance

36.

What is Box B?

a)

Current flow

b)

Control (switch)

c)

Power source

d)

Resistance

37.

What is Box C?

a)

Current flow

b)

Control (switch)

c)

Power source

d)

Resistance

38.

What is Box D?

a)

Power source

b)

Control (Switch)

c)

Load

d)

Conductor

39.

What is Box E?

a)

Conductor

b)

Load

c)

Power source

d)

Resistance

40.

What is Box F?

a)

Load

b)

Current flow

c)

Power source

d)

Conductor

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