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Electric Circuits

Total questions: 34

Worksheet time: 20mins

Name
Class
Date
1.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
2.
This is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
3.
This is the symbol for a _____?
a)
an AC current source
b)
a DC current source
c)
a battery
d)
a single cell
4.
This type of circuit only has one path for current to flow. 
a)
series
b)
parallel
c)
combination
d)
split
5.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
6.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source. 
c)
Electricity flows along more than one pathway. 
d)
The flow of electricity comes from more than one source. 
7.
What is one problem with using a series circuit? 
a)
It has a lot of series. 
b)
If one goes down, they all go down! 
c)
It doesn't work properly.
d)
There are no problems. 
8.
What is one benefits of using a parallel circuit?  
a)
It gets confusing.
b)
There are no problems.
c)
If one goes down, it does not affect the others. 
d)
Porque es para llelio. 
9.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)
stop the flow of electricity
b)
 can still light up
c)
 will go out
d)
of the light bulbs burn out also
10.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
11.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
12.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
13.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
14.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
15.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
16.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
d)
light
17.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
18.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
19.
Current times Resistance equals
 (I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
20.

Voltage divided by Resistance

(V / R)

a)

Current

b)

Power

c)

Ohms

d)

Watts

21.

Voltage divided by Current

(V / I)

a)

Current

b)

Power

c)

Resistance

d)

Watts

22.
If the Voltage is increased and the resistance stays the same, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
23.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
24.

What does the "V" mean in Ohm's Law, V = IR?

a)

velocity

b)

resistance

c)

current

d)

voltage

25.

What does the "I" mean in Ohm's Law, V = IR?

a)

velocity

b)

resistance

c)

current

d)

voltage

26.

What does the "R" mean in Ohm's Law, V = IR?

a)

velocity

b)

resistance

c)

current

d)

voltage

27.

What is the symbol and unit of measurement for voltage in Ohm's Law, V = IR?

a)

meters/second or m/s

b)

ohms (Ω)

c)

amperes (A)

d)

volts (V)

28.

What is the symbol and unit of measurement for current in Ohm's Law, V = IR?

a)

meters/second or m/s

b)

ohms (Ω)

c)

amperes (A)

d)

volts (V)

29.

What is the symbol and unit of measurement for resistance in Ohm's Law, V = IR?

a)

meters/second or m/s

b)

ohms (Ω)

c)

amperes (A)

d)

volts (V)

30.

From the video, what are resistors analogous to.....?

a)

restricting the flow of water in a pipe by making the pipe narrower

b)

expanding the flow of water in a pipe by making the pipe wider

c)

turning on a laser and reflecting the laser off of a mirror on the moon

31.

When an electric circuit is "on" is the circuit open or closed?

a)

open

b)

closed

32.

When an electric circuit is "off" is the circuit open or closed?

a)

open

b)

closed

33.

When an electronic device is "off" is the electric circuit open or closed?

a)

open

b)

closed

34.

When an electronic device is "on" is the electric circuit open or closed?

a)

open

b)

closed

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