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Physics 1 Electric Current Review

Total questions: 36

Worksheet time: 39mins

Name
Class
Date
1.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
2.
If the voltage is increased and the resistance stays the same, current will ____.
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
3.
If the voltage stays the same and resistance is increased, current will ________. 
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
4.
If a battery produces 12.6 Volts, what would be the current for a 6 Ohm resistor?
a)
2.1 Amps
b)
75.6 Amps
c)
0.5 Amps
d)
15 Amps
5.
A light circuit is operating at 75 Volts. What is the circuit's current if the resistance is 5 Ohms?
a)
375 Amps
b)
50 Amps
c)
15 Amps
d)
0.07 Amps
6.
An electric circuit contains an operating heating element and a lit lamp. Which statement best explains why the lamp remains lit when the heating element is removed from the circuit? 
a)
The lamp has less resistance than the heating element.
b)
The lamp has more resistance than the heating element
c)
The lamp and heating element were connected in parallel.
d)
The lamp and heating element were connected in series.
7.
Batteries and power plants are examples of ______________. 
a)
energy sources
b)
energy conduction
c)
energy transformation
8.
______________ are materials such as rubber that do not allow charges to flow.
a)
conductors
b)
circuits
c)
insulators
d)
amps
9.
A complete, unbroken path that charges can flow through is called an __________________.
a)
conductor
b)
electric circuit
c)
electric current
d)
insulator
10.
Metals such as copper and aluminum are good ______________. 
a)
insulators
b)
conductors
c)
circuits
d)
charges
11.
Which of the following does not determine the resistance of a wire?
a)
temperature
b)
color
c)
length
d)
diameter
12.
A circuit with only one path for the current to flow is a __________________.
a)
parallel circuit
b)
series circuit
c)
mini circuit
d)
device
13.
Circuits often include a _____________ to control the flow of current.
a)
switch
b)
conductor
c)
voltage
d)
current
14.
When more branches are added to a parallel circuit, ____________________.
a)
resistance decreases
b)
voltage increases
c)
nothing changes
15.
__________________ is the continuous flow of electric charges through a material.
a)
Electric current
b)
Resistance
c)
Voltage
d)
Static Discharge
16.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
17.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
18.
What voltage is needed to produce 2A of current through a 10Ω resistor?
a)
20V
b)
0.2V
c)
5V
d)
2V
19.
AC stands for ___.
a)
Alternating Current
b)
Attraction Connections
20.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
21.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
22.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
23.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
24.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
25.
What is a Parallel circuit? 
a)
Has only one path 
b)
Has more than one path 
c)
Allows energy to travel through easily 
d)
Has only one light bulb
26.

Why electrical wiring usually are covered with a layer of plastic?

a)

To make it look pretty

b)

To help electricity flow along the wire

c)

To make it safe

d)

To add more energy

27.

Why is electrical wiring usually made from copper?

a)

Because copper is shiny

b)

Because copper conducts electricity

c)

Because copper is not magnetic

d)

Because copper insulate electricity

28.

1. Which switch or switches must be closed to make the lamps light?

a)

Only switch 1

b)

Only switch 1

c)

Switches 1 and 2

d)

Switches 1 , 2 and 3

29.

If lamp 2 is unscrewed from its holder, what will happen to lamp1?

a)

It will stay lit

b)

It will go out

c)

It will get dimmer

d)

It will dissapear

30.

This circuit does not work because…

a)

the bulbs are not connected properly

b)

two cells are not powerful enough

c)

there is a break in the circuit

d)

the batteries are facing each other

31.
This circuit does not work because…
a)
the bulbs are not connected properly
b)
the single cell is not powerful enough
c)
there is a break in the circuit
d)
there is a short crcuit
32.

What kind of circuits prevent the movement of electrical energy?

a)

open circuits

b)

short circuits

c)

closed circuits

d)

happy circuits

33.

Select all that are conductors.

a)

copper

b)

plastic

c)

rubber

d)

iron

e)

silver

34.

Select all that are insulators.

a)

rubber

b)

plastic

c)

iron

d)

copper

e)

wood

35.

what is this symbol for?

a)

light bulb

b)

switch

c)

batteries

d)

resistor

36.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.

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