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Worksheets

CIRCUITS

Total questions: 25

Worksheet time: 17mins

Name
Class
Date
1.

In series circuit, there is only _____ path for electrons to flow.

a)

One

b)

Two

c)

Three

d)

Four

2.

If one of the light bulb in series circuit is taken off, what will happen to the other light bulb?

a)

The other light bulb will be on

b)

The other light bulb will be off

c)

The other light bulb will stay on

d)

Both light bulb will be on

3.

In a parallel circuit, if we remove one of the light bulb, what will happen to the other light bulb?

a)

The other light bulb will stay on.

b)

The other light bulb will be off

c)

Both light bulb will be on

d)

Both light bulb will be off

4.

If we add more light bulbs into a parallel circuit, how will the brightness of the bulbs change?

a)

It will get dimmer

b)

It will get brighter

c)

The brightness will stay the same

d)

None of the light bulb will be on

5.
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.
6.

What is the advantage of using a Parallel Circuit?

4 lines
7.

What is the disadvantage of using a Series Connection?

4 lines
8.
In a parallel circuit which of the following is the same value throughout the circuit?
a)
Voltage
b)
Current
c)
Resistance
d)
Charge
9.

This is an example of a -------- circuit.

a)

Series

b)

Parallel

c)

Combination

10.
A series circuit has how many pathways for the electrons to flow?
a)
Two
b)
One
c)
Many
d)
Zero
11.

Parallel circuits...

a)

has more than one path for current to travel

b)

a circuit that has only one path for current to travel

c)

a circuit that does not allow electricity to travel through it

d)

magnets that cause electric current

12.
In a parallel circuit which of the following is the same value throughout the circuit?
a)
Voltage
b)
Current
c)
Resistance
d)
Charge
13.
What is one problem with using a series circuit? 
a)
It has a lot of series. 
b)
If one light goes down, they all go down! 
c)
It doesn't work properly.
d)
There are no problems. 
14.
What is a benefit of using a parallel circuit?  
a)
It gets confusing.
b)
There are no problems.
c)
If one light goes out, it does not affect the others. 
d)
If one light goes out, they all go out. 
15.

When only one lightbulb blows out, an entire string of decorative lights goes out. The lights in this string must be connected in

a)

series with multiple current pathways

b)

series with one current pathway

c)

parallel with multiple current pathways

d)

parallel with one current pathway

16.

A class prepared some electrical circuits using battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light?

a)

A

b)

B

c)

C

d)

D

17.

The following are advantages of a series circuit EXCEPT:

a)

Series circuits do not overheat easily.

b)

Easy to install and easy to repair and maintain

c)

All loads in a series circuit have the same current.

d)

If one load fails, all loads in the circuit will not function.

18.

The following are disadvantages of a series circuit EXCEPT:

a)

It is difficult to control the load individually.

b)

It is easy to install, repair and maintain the circuit.

c)

It is difficult to identify the damaged light bulb in the circuit.

d)

Since voltage is not equal for every load, not all loads will have the same brightness.

19.

The following are advantages of a parallel circuit EXCEPT:

a)

Loads are easy to control.

b)

If one load fails, other loads can still function.

c)

Large volume of conducting wires will be needed.

d)

Every load connected in parallel circuit gets an equal amount of voltage.

20.

The circuit does not overheat easily. It is a/an...

a)

advantage of series circuit.

b)

advantage of parallel circuit.

c)

disadvantage of series circuit.

d)

disadvantage of parallel circuit.

21.

It is easy to control the load individually. It is a/an...

a)

advantage of series circuit.

b)

advantage of parallel circuit.

c)

disadvantage of series circuit.

d)

disadvantage of parallel circuit.

22.

Adding more loads may cause overloading in the circuit. It is a/an...

a)

advantage of series circuit.

b)

advantage of parallel circuit.

c)

disadvantage of series circuit.

d)

disadvantage of parallel circuit.

23.

If one bulb is damaged in the circuit, other bulbs will still function. It is a/an...

a)

advantage of series circuit.

b)

advantage of parallel circuit.

c)

disadvantage of series circuit.

d)

disadvantage of parallel circuit.

24.

If one bulb is damaged in the circuit, all other bulbs will not function too. It is a/an...

a)

advantage of series circuit.

b)

advantage of parallel circuit.

c)

disadvantage of series circuit.

d)

disadvantage of parallel circuit.

25.

The total current in a parallel circuit is the sum of the current across the circuit.

a)

True

b)

False