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Worksheets

Ee200b-A3

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

What is this symbol?

a)

Cell

b)

Switch

c)

Bulb

d)

2 cell battery

2.

What is this symbol?

a)

Cell

b)

Switch

c)

Bulb

d)

Resistor

3.

What is this symbol?

a)

Switch

b)

Fuse

c)

Buzzer

d)

Cell

4.

What is this symbol?

a)

Switch

b)

Fuse

c)

Bulb

d)

2 cell battery

5.

This switch is open.

a)

True

b)

False

6.

If the switch is open in a circuit, then...

a)

...electricity will flow.

b)

....electricity will NOT flow.

7.
This is the symbol for a ...
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse
8.
This is the symbol for a ...
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
9.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
10.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
11.
This is the symbol for 
a)
An Ammeter
b)
A Voltmeter
c)
A Meter
d)
A Motor
12.
a)
Closed switch
b)
Push switch
c)
Trap door
d)
AC Power supply
13.
Which word means how hard it is for electrons to flow?
a)
Current
b)
Voltage
c)
Resistance
d)
Power
14.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
15.
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
16.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
17.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
18.
In a series circuit, which of the following is the same throughout the circuit?
a)
Resistance
b)
Voltage
c)
Current
d)
Power
19.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
20.
In a series circuit, which of the following will vary based on the resistor?
a)
Power
b)
Voltage
c)
Current
d)
None of the above
21.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
22.
What is the unit of power?
a)

Ohms

b)
Volts
c)
Amps
d)

Watts

23.
What is voltage?
a)

The flow of protons

b)
The number of charged particles that pass each second
c)
The difference in potential energy of charged particles
d)
The rate at which energy is being transformed
24.
Battery cells are connected in series to _______
a)
Increase voltage output
b)
Decrease voltage output
c)
Increase current capacity
d)
Decrease current capacity
25.
Current is...
a)
moving protons
b)
moving electrons
c)
measured in volts
d)
measured in ohms
26.
Metals such as copper and aluminum are good ______________. 
a)
insulators
b)
conductors
c)
circuits
d)
charges
27.
An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
28.

Why is a battery important in an electrical circuit?

a)

As a source of energy.

b)

As a path for electricity to flow through.

c)

As a connector to connect all parts of a circuit.

29.

The diagram shows a complete circuit but the bulb did not light up. Why?

a)

The plastic spoon is an insulator of electricity and prevented electric current from flowing through the circuit.

b)

The plastic spoon is not connected properly and prevented electric current from flowing through the circuit.

c)

The plastic spoon is a conductor of electricity and prevented electric current from flowing through the circuit.

30.

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

31.

The direction of current flow is taken from

a)

negative to positive terminal

b)

Positive to negative terminal

c)

Both

32.

Which is this type of circuit?

a)

Open circuit

b)

Closed circuit

c)

Both of these

d)

None of these

33.

What is an open circuit?

a)

 a circuit that has a break that prevents the flow of current

b)

a circuit where moving charges can only follow a single path

c)

a circuit that has a complete path for charge to flow

34.

What type of circuit is shown?

a)

series circuit

b)

parallel circuit

35.

Wood is a(n) _____

a)

conductor

b)

insulator

36.

What kind of circuit is shown?

a)

parallel circuit

b)

series circuit

c)

short circuit

37.

What is current?

a)

a circuit that contains two or more branches

b)

a path containing mobile charges

c)

the flow of electrical charge

38.

In a circuit, copper is a(n) ____

a)

conductor

b)

insulator

39.

If the electric circuit is CLOSED, the switch is ____

a)

ON

b)

OFF

40.

If the electric circuit is OPEN, the switch is ____

a)

ON

b)

OFF

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