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Electrical Energy QUIZ

Total questions: 25

Worksheet time: 32mins

Name
Class
Date
1.

Energy is the ability to do work or cause changes.

a)

True

b)

False

2.

A car rolling down the drop of a roller coaster has ________ energy.

a)

potential

b)

kinetic

c)

chemical

d)

sound

3.

A car at the top of the drop on a roller coaster has ________ energy.

a)

potential

b)

kinetic

c)

chemical

d)

sound

4.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
5.
What does the Law of Conservation of Energy state?
a)
Energy cannot be created or destroyed
b)
Nothing can exchange energy
c)
Energy will increase over time.
d)
Energy will decrease over time.
6.

What is electricity?

a)

an object that electrons do not flow through

b)

energy created by moving charged particles

c)

when two objects repel each other

d)

a circuit that has only one path for electricity to flow

7.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
8.
What is a conductor?
a)
 A material that allows electricity to flow through it.  The circuit is complete. 
b)
A material that does not allow electricity to flow through.  It stops the flow of electricity.
c)
A light switch.
9.
A complete, unbroken path that charges can flow through is called an __________________.
a)
conductor
b)
electric circuit
c)
electric current
d)
insulator
10.
Current that reverses direction in a regular pattern is called ____. 
a)
direct current 
b)
circuit current
c)
magnetic current
d)
alternating current 
11.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
12.

What does this symbol represent?

a)

NC Switch

b)

NO Switch

c)

Resistor

d)

Transistor

e)

Battery

13.

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

a)

Anode

b)

Alternator

c)

Amplifier

d)

Ammeter

14.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
15.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
16.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
17.

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

a)

1/3 ohms

b)

3 ohms

c)

27 ohms

d)

9 ohms

18.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
19.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
20.

Solve for the total resistance of the circuit shown

a)

50 V

b)

1970 ohms

c)

705 K ohms

d)

20 Amps

21.

What is the total resistance?

a)

0.66 Ω

b)

1 Ω

c)

1.52 Ω

d)

16 Ω

22.

_____ is the speed or rate of doing work

a)

Newton

b)

Energy

c)

Force

d)

Power

23.

A light bulb does 100 J of work in 10 seconds. Calculate the power used.

a)

110 W

b)

10 J

c)

10 W

d)

90 W

24.
If 68 W of power is produced in 18 seconds, how much work is done?
a)
1,224 J
b)
0.264 J
c)
3.77 J
d)
12.24 J
25.

Which of the following is the best example of work being done.

a)

doing homework

b)

lifting a box

c)

pushing a stationary box

d)

holding a box