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Electric Circuits

Total questions: 18

Worksheet time: 10mins

Name
Class
Date
1.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
2.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
3.

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

a)

velocity

b)

resistance

c)

current

d)

voltage

4.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
5.

What is a circuit with several paths for electricity to flow?

a)

conductor

b)

series circuit

c)

parallel circuit

d)

open circuit

6.

What is a circuit that only has ONE path for electricity to flow?

a)

series circuit

b)

closed circuit

c)

parallel circuit

d)

light bulb

7.
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.
8.

Will this circuit light the bulbs?

a)

Yes, both will light up

b)

Yes, but only the one on the right

c)

Yes, but only one on the left

d)

No, neither of the bulbs will light up

9.

Is this a working circuit?

a)

Yes

b)

No

c)

I'm not sure, I would need to test it myself.

10.
This type of circuit only has one path for current to flow. 
a)
series
b)
parallel
c)
combination
d)
split
11.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
12.
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
13.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
14.
Choose the corrrect sentence.
a)
This circuit will work because it is an open circuit
b)
This circuit will work because it is a closed circuit.
c)
This circuit will NOT work because it is an open circuit.
d)
This circuit will NOT work because it is a closed circuit.
15.

If the wire of an circuit is open what will happen?

a)

The electrons cannot travel through

b)

The bulb will not light up

c)

The battery will lose energy

d)

Nothing will happen

16.

Erik built a circuit. His light bulb did not light up. Which of these could NOT be the cause?

a)

Open switch

b)

dead battery

c)

closed circuit

d)

loose connection

17.

You should not touch an electric appliance, such as a toaster, with a wet hand. Which of the following best

explains why?

a)

The toast is a resistor

b)

Water is a good insulator of electricity

c)

The metal in the toaster is an insulator

d)

Water and your body are good conductors of electricity

18.
An example of an insulator is?
a)
metal
b)
plastic
c)
brass
d)
aluminum

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