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Electricity

Total questions: 40

Worksheet time: 22mins

Name
Class
Date
1.

Opposite charges....

a)

Attract

b)

Repel

2.

What is an object that does not conduct electricity?

a)

Conductor

b)

Insulator

c)

Circuit

d)

Resistance

3.

What do you call an object that allows electricity to flow through it?

a)

Conductor

b)

Insulator

c)

Resistance

d)

Electromagnet

4.

Current is the......

a)

Pressure of electricity

b)

Flow of electrons from atom to atom

c)

Total power

d)

Tendency of a material to resist the flow of electricity

5.

What are the materials that make up a simple circuit?

a)

Wires, Switch and Motor

b)

Battery, Switch and Motor

c)

Wires, Light Bulb and Motor

d)

Wires, Battery and Light Bulb

6.

What is one thing that every circuit needs?

a)

Insulator

b)

Power Supply

c)

Switch

d)

Light Bulb

7.

When the switch is closed, the light......

a)

Comes on

b)

Stays off

c)

Burns out

d)

Flashes

8.

What is the measure of how much a material opposes the flow of electricity?

a)

Conductor

b)

Insulator

c)

Circuit

d)

Resistance

9.

In a battery, which form of energy is converted into electrical energy?

a)

Chemical Energy

b)

Solar Energy

c)

Mechanical Energy

d)

Electrical Energy

10.

If you add a second battery to your series circuit, what will happen to the current in your circuit?

a)

Decrease

b)

Increase

c)

Stays the Same

11.

Why are homes not wired in series circuits?

a)

The house will burn down

b)

If you turn off one appliance, the rest will turn off

c)

Homes are wired in series

12.

What best describes the circuit in the image?

a)

Series Circuit

b)

Incomplete Circuit

c)

Parallel Circuit

13.

What term best describe the image?

a)

Power Source

b)

Closed Circuit

c)

Insulator

d)

Open Circuit

14.

What term best describes the image?

a)

Parallel Circuit

b)

Series Circuit

c)

Incomplete Circuit

d)

Switch

15.

If the lights are on, the circuit is......

a)

closed

b)

open

16.

If the lights are off, the circuit is......

a)

closed

b)

open

17.
When socks get stuck to towels in your dryer, this is an example of________________
a)
current electricity
b)
static electricity
18.

Lighting is a form of static electricity.

a)

True

b)

False

19.

Static means ____________.

a)

moving

b)

not moving

20.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
21.

This is an example of a _______ circuit

a)

Open

b)

Series

c)

Parallel

d)

Square

22.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
23.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
24.

Voltage is measured in .......

a)

Volts

b)

Watts

c)

Amps

25.

As the resistance of a circuit increases, the current will......

a)

Increase

b)

Decrease

c)

Stay the Same

26.

What are the units of current?

a)

Kilowatt·Hour

b)

Ampere

c)

Ohms

d)

Volt

27.

What flows in a wire?

a)

Protons

b)

Neutrons

c)

Atoms

d)

Electrons

28.

Which statement is true?

a)

The light bulb will light up because the circuit is complete.

b)

The light bulb will light up because the circuit is broken.

c)

The light bulb will not light up because the circuit is complete.

d)

The light bulb will not light up because the circuit is open.

29.

A charging system produces 14.5 volts with a current flow of 43.5 amps. What is the circuit resistance?

a)

58 Ohms

b)

0.33 Ohms

c)

13 Ohms

d)

1 Ohm

30.

How many volts would it take to push 1 amp through a resistance of 1 ohm?

a)

10 Volts

b)

1 Volt

c)

48 Volts

d)

5 Volts

31.

If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?

a)

5 V

b)

12 V

c)

0.2 V

d)

20 V

32.
What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producing 15 Volts
a)
15 Ohms
b)
4 Ohms
c)
0.3333 Ohms
d)
2 Ohms
33.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
34.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
35.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
36.
a)
Motor
b)
Mouse
c)
Ground
d)
Fuse
37.
a)

Battery

b)

Fuse

c)

Diode

d)

Switch (Open)

38.

What is this symbol for?

a)

Light Bulb

b)

Switch

c)

Battery

d)

Resistor

39.

This symbol represents a ..............

a)

Valve

b)

Voltmeter

c)

Voltage

d)

Vacuum

40.

This symbol represents a ............

a)

Circle

b)

Bulb

c)

Resistor

d)

Cell

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