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Total questions: 40

Worksheet time: 35mins

Name
Class
Date
1.

what does this symbol represent?

a)

lamp

b)

buzzer

c)

switch

d)

transistor

2.

what is this?

a)

battery

b)

motor

c)

fixed resistor

d)

fuse

3.

what is this symbol?

a)

buzzer

b)

lamp

c)

antenna

d)

resistor

4.
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
5.
current is measured in....
a)
volts
b)
amps
c)
watts
d)
mph
6.
Electric current is the flow of:
a)
electrons
b)
protons
c)
neutrons
d)
none of these
7.

What is the unit of current?

a)

ohm

b)

ampere

c)

volt

d)

joule

8.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
9.

What is the another name for open circuit?

a)

incomplete circuit

b)

complete circuit

10.
This is the symbol for a _____?
a)
an AC current source
b)
a DC current source
c)
a battery
d)
a single cell
11.
This is the symbol for a _____?
a)
Variable resistor
b)
Thermistor
c)
Resistor
d)
Fuse
12.
This is the symbol for a _____?
a)
Fuse
b)
Resistor
c)
Heater
d)
Strip light
13.

What kind of circuit is this?

a)

Closed circuit

b)

Parallel circuit

c)

Series circuit

d)

Short circuit

14.

This symbol represents a ..........

a)

Bulb

b)

Battery

c)

Buzzer

d)

Microphone

15.
What kind of circuit is this?
a)
series
b)
parallel
16.

Identify the symbol?

a)

Switch

b)

Electric cell

c)

Battery

d)

Bulb

17.

What unit of measure is for resistance?

a)

ohms

b)

ampere

c)

voltage

d)

watts

18.

What is the unit of measure for current?

a)

ampere

b)

current

c)

voltage

d)

ohms

19.

What type of circuit is the image showing?

a)

Parallel

b)

Series

c)

No circuit

20.

What does this symbol stand for?

a)

Switch closed

b)

Resistor

c)

Fuse

d)

Switch open

21.
How do you calculate resistance?
a)
Voltage X Current
b)
Current ÷ Voltage
c)
Voltage ÷ Current
d)
Current X Amps
22.

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

a)

1/3 ohms

b)

3 ohms

c)

27 ohms

d)

9 ohms

23.
What resistance is needed to cause a 50A current flow because of a 500V battery?
a)
10Ώ
b)
5Ώ
c)
2500Ώ
d)
550Ώ
24.

An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.

a)

60Ω

b)

120Ω

c)

180Ω

d)

240Ω

25.

The correct units of measurement for voltage, current and resistance are

a)

voltage (V)

current (A)

resistance (Ω)

b)

voltage (A)

current (V)

resistance (Ω)

c)

voltage (V)

current (A)

resistance (R)

d)

voltage (V)

current (I)

resistance (R)

26.

If the battery produced 12.6 Volts, what would be the current flow be for a 6 Ohm resistor?

a)

2.1 Amps

b)

2.4 Amps

c)

1.71 Amps

d)

15 Amps

27.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
28.

Voltage divided by Current

(V / I)

a)

Current

b)

Power

c)

Resistance

d)

Watts

29.
Current times Resistance equals
 (I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
30.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
31.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
32.
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
33.
How should you put in an Ammeter?
a)
In Parallel
b)
In Series
34.
A voltmeter should be placed ........... in a circuit
a)
in parallel
b)
in series
c)
in order
d)
upside down
35.
This circuit has more than one loop. When one light goes out, the others stay on. 
a)

closed circuit

b)

series circuit

c)

parallel circuit

d)

open circuit

36.
What kind of circuit is this?
a)

Series

b)

Consecutive

c)

Parallel

d)

Training

37.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
38.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
39.

CIrcuit elements connected in series have the same

a)

voltage drop across them.

b)

current through them.

c)

power dissipation by them.

d)

None of the above.

40.

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

a)

Series

b)

Parallel

c)

Combination

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