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Worksheets

Circuits Review

Total questions: 29

Worksheet time: 21mins

Name
Class
Date
1.

How much energy would a coulomb of charge have as it leaves the battery?

a)

12 J

b)

6 J

c)

2 J

d)

0.5 J

e)

none of these

2.

If another resistor (or lightbulb), R4, were added in parallel, the total current from the battery would...

a)

Increase

b)

Decrease

c)

Remain the same

d)

(it depends on the resistors)

3.

How does the voltage across each resistor (or lightbulb) compare? (subscripts correlate to resistor subscripts)

a)

V1 > V2 > V3

b)

V3 = V2 = V1

c)

V1 < V2 < V3

d)

none of these

4.

What are the correct units to measure charge?

a)

Amps, A

b)

Volts, V

c)

Ohms, Ω

d)

Coulombs, C

e)

Watts, W

5.

What are the correct units to measure current?

a)

Amps, A

b)

Volts, V

c)

Ohms, Ω

d)

Coulombs, C

e)

Watts, W

6.

For the circuit shown, what is the voltage drop across R1 if R1=R2?

a)

1 V

b)

2 V

c)

3 V

d)

4 V

e)

6 V

7.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
8.
Which subatomic particle has a negative charge?
a)
Proton
b)
Neutron
c)
Electron
9.

This is a ____________________

a)

Series Circuit

b)

Parallel Circuit

10.

This is a ________________

a)

Series Circuit

b)

Parallel Circuit

11.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
12.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
13.
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 broken.
14.

What happens to the total current from the battery in a parallel circuit as you add resistors (or lightbulb)?

a)

Increases

b)

Decreases

c)

Nothing

d)

A black hole

15.
A student makes a simple circuit. A 9.0 V battery is connected to a light bulb. The resulting current is 0.33 A. What is the power of the bulb?
a)
2.7 Watts
b)
3 Watts
c)
9 Watts
d)
27 Watts
16.
In which kind of circuit will all the lights go out if one burns out?
a)
Simple
b)
Series
c)
Parallel
d)
Combination
17.

How would power be affected if current was doubled and voltage remained constant?

a)

It would be 1/2x

b)

It would be 2x

c)

It would be 4x

d)

Nothing

18.

What is an open circuit

a)

Electric current is intercepted a break in the circuit and cannot completed its path

b)

Flow of electricity

c)

Electric current flows freely through the circuit from negative to positive.

d)

Closed circuit

19.

What is a closed circuit?

a)

Electric current flows freely through the circuit from negative to positive.

b)

Electric current is intercepted a break in the circuit and cannot completed its path

c)

Parallel circuit

d)

Series circuit

20.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
21.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
22.
What kind of circuit is this?
a)
series
b)
parallel
23.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
24.
Does this statement best describe a parallel or a series circuit.
 
When more light bulbs are added they all remain bright. 
a)
Parallel circuit
b)
Series circuit
25.
Power is measured in 
a)
Watts
b)
Ohms
c)
Amperes
d)
Volts
26.

How can we define voltage?

a)

electrons per coulomb

b)

energy transferred per second

c)

coulomb per second

d)

joule per coulomb

27.

How can we define current?

a)

coulombs per second

b)

joules per second

c)

seconds per joule

d)

energy per coulomb

28.

How can we define power?

a)

electrons per joule

b)

joules per second

c)

coulombs per second

d)

energy per electron

29.

There's a series circuit and a parallel both with 2 bulb and a 4V and 4A battery, what will the power be through each light bulb?

a)

Series and parallel lights will all have 4W

b)

Series lights will have 8W and parallel will have 4W

c)

Series lights will have 4W and a parallel will have 8W

d)

Series and parallel lights will all have 8W

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