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Practice Quiz - Basic Electrical

Total questions: 57

Worksheet time: 57mins

Name
Class
Date
1.

What is a circuit?

a)

A type of clothing

b)

A type of bird

c)

A type of fruit

d)

A closed loop through which an electric current can flow.

2.

What is voltage?

a)

The flow of electric current in a circuit.

b)

The resistance in an electric circuit.

c)

The amount of electric charge in a circuit.

d)

The electric potential difference between two points in an electric circuit.

3.

What is current?

a)

The speed of a moving object.

b)

The flow of electric charge in a circuit or conductor.

c)

The flow of water in a river.

d)

The movement of air in a room.

4.

What is resistance?

a)

The measure of opposition to the flow of electric current in a material

b)

The measure of temperature of electric current in a material

c)

The measure of support to the flow of electric current in a material

d)

The measure of speed of electric current in a material

5.

What is Ohm's Law?

a)

Ohm's Law is the relationship between current, frequency, and resistance in an electrical circuit.

b)

Ohm's Law is the relationship between power, voltage, and resistance in an electrical circuit.

c)

Ohm's Law is the relationship between current, voltage, and capacitance in an electrical circuit.

d)

Ohm's Law is the relationship between current, voltage, and resistance in an electrical circuit.

6.

Which of the following is a unit of electrical resistance?

a)

Volt

b)

Ohm

c)

Ampere

d)

Watt

7.

Which of the following is a unit of voltage?

a)

ohm

b)

ampere

c)

volt

d)

watt

8.

Which of the following is a unit of current?

a)

Watt

b)

Volt

c)

Ampere

d)

Ohm

9.

Which of the following is a unit of electrical power?

a)

ohm

b)

volt

c)

watt

d)

ampere

10.

What happens to the current in a circuit if the voltage increases?

a)

The voltage in the circuit will decrease.

b)

The current in the circuit will increase.

c)

The current in the circuit will remain the same.

d)

The current in the circuit will decrease.

11.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
12.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
13.

A complete electrical path is called a

a)

path

b)

current

c)

circuit

d)

light

14.
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
15.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
16.
DC stands for ____ and is used in batteries.
a)
Distant Current
b)
Don't Current
c)
Direct Current
d)
Distributed current
17.
If the lights are off, the circuit is
a)
closed
b)
open
c)
electrified
d)
in trouble
18.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
19.
The light bulb in the circuit is an example of _______. 
a)
Load
b)
Battery source
c)
Energy pathway
d)
All of them
20.
a)
Wire
b)
Light
c)
Battery
d)
Switch
21.

This symbol represents a conductive path in a circuit

a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
22.
Which formulas represents Ohm's law?
a)

V=IxR

b)

R=IxV

c)

I=RxV

23.
As the resistance in a circuit increases, the electric current __________.
a)
increases
b)
decreases
c)
stays the same
24.
This circuit is _________.
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
25.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
26.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
27.
Which of the following does not effect the resistance in a wire?
a)
temperature
b)
insulation
c)
diameter
d)
material
28.

The type of electricity derived from a battery is

a)

Alternating Wattage

b)

Alternating Current

c)

Direct Wattage

d)

Direct Current

29.

identify the following symbol

a)

fusible link

b)

interlock

c)

fuse

d)

solenoid

30.

identify the following symbol

a)

push button

b)

ground

c)

caution symbol

d)

Battery

31.

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

a)

valve

b)

voltmeter

c)

Variable

d)

Vacuum

32.

Match circuit with description

a)

(+) Cont. Simple

b)

(-) Cont. Series-Parallel

c)

(+) Cont. Series

d)

(+) Cont. Series-Parallel

e)

(-) Cont. Simple

f)

(-) Cont. Parallel

1
2
3
4
5
6
1)
2)
3)
4)
5)
6)
33.

Place measurement in proper place

a)

12

b)

6V

c)

2A

d)

3

1
2
3
4
1)
2)
3)
4)
34.

Match the following

a)

Source Voltage

b)

Current Flow

c)

Avalable Voltage

d)

Voltage Drop

1
2
3
4
1)
2)
3)
4)
35.

Match the following

a)

1.

Open Circuit

b)

2.

Ground Control

c)

3.

Series

d)

4.

Short Circuit

e)

5.

Power Control

36.

A material that does NOT let electricity pass through it is called ...

a)

An electrical conductor

b)

An electrical insulator

c)

An electrical source

d)

An electric appliance

37.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
38.
Choose the correct 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.
39.

In a closed circuit, how does battery voltage affect current?

a)

As voltage increases, current increases.

b)

As voltage increases, current decreases.

c)

Voltage has no affect on current.

d)

If voltage exceeds current, a short circuit circuit will develop.

40.

In a standard series circuit, the voltage is the same everywhere in the circuit.

a)

True

b)

False

41.

Which of the symbols represents current in an electrical circuit?

a)

i

b)

c

c)

e

d)

r

42.

The diagram below at the right shows a light bulb connected by wires to the + and - terminals of a car battery. Compared to point D, point A is _______________ electric potential.

a)

12 V higher in

b)

12 V lower in

c)

exactly the same

d)

impossible to tell

43.
a)

Battery

b)

Fuse

c)

Switch (closed)

d)

Switch (open)

44.
a)
Motor
b)
Mouse
c)
Ground
d)
Fuse
45.
If a circuit is incomplete, or broken, it is a(n) ________ circuit. 
a)
closed
b)
series
c)
bad
d)
open
46.

A device for opening or closing the flow in a circuit is _______.

a)

an insulator

b)

a battery charger

c)

a switch

d)

a resistor

47.

How many paths does a series circuit have?

a)

4

b)

3

c)

2

d)

1

48.

What happens to the voltage in a series circuit?

a)

The voltage stays the same

b)

The voltage is added

c)

The voltage is reduced

d)

The voltage is split between the light bulbs

49.

Conventionally, current is described as flowing from the ................ terminal of a battery to the ................ terminal.

a)

Negative.....negative

b)

Negative....positive

c)

Positive......negative

d)

Positive....positive

50.

In the circuit, the bulb lights up because there is ............... flowing in the closed circuit.

a)

battery

b)

current

c)

resistance

d)

voltage

51.

SI unit of current is

a)

ampere

b)

metre

c)

ohm

d)

volt

52.

Current can be measured using ............

a)

ammeter

b)

light bulb

c)

resistor

d)

voltmeter

53.

An ammeter is connected in ...........

a)

Parallel

b)

Series

54.
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
55.
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
56.

Voltage divided by Resistance

(V / R)

a)

Current

b)

Power

c)

Ohms

d)

Watts

57.
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 has more than one path to flow through

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