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Electricity Test

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

It is the complete loop through which an electrical current flows.

a)

electrical current

b)

electrical charge

c)

electrical circuit

2.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
3.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
4.
An object becomes postiively charged when which of the following occurs?
a)
loses electrons
b)
gains electrons
c)
loses protons
d)
gains neutrons
5.

Two objects with LIKE elecrical charges will

a)

attract each other

b)

even out in the end

c)

repel each other

d)

cause a spark

6.

When an object is charged by touching it with a charged balloon, the process is called _____.

a)

friction

b)

conduction

c)

induction

d)

grounding

7.

The number of charges flowing per second is:

a)

voltage

b)

resistance

c)

current

d)

electric discharge

8.
A circuit that is connected to Earth is said to be _____.
a)
series
b)
parallel
c)
grounded
d)
discharged
9.

Current from a battery would be:

a)

series

b)

parallel

c)

direct

d)

alternating

10.

The path along which electricity travels.

a)

electric circuit

b)

conductor

c)

insulator

d)

fuse

11.
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
12.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
13.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
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.
The force that pushes the electricity through a circuit is called...
a)
resistance
b)
voltage
c)
current
d)
switch
17.
The flow of electricity through a conductor is called...
a)
resistance
b)
voltage
c)
current
d)
source of electric current
18.
Which one will still function if one light bulb goes out?
a)
A-Series
b)
B-Parallel
c)
A-Parallel
d)
B-Seriese
19.
If I add more light bulbs to a series circuit what happens?
a)
The current speeds up and the lights get brighter
b)
The current slows down and the lights dim lower
c)
The current speeds up and the lights dim lower
d)
The current slows down and the lights get brighter
20.

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

a)

conductor

b)

series circuit

c)

parallel circuit

d)

open circuit

21.

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

22.
The accumulation of excess electric charge on an object is called
a)
Static electricity 
b)
Electric discharge
c)
Resistance
d)
Circuit 
23.

What happens to the force between charges when they get further apart?

a)

they attract

b)

they repel

c)

force gets weaker

d)

force gets stronger

24.

The unit for electric charge

a)

Newton

b)

Coulomb

c)

Ampere

d)

Watts

25.
Transferring a charge without touching is ___
a)
conduction
b)
induction
c)
grounding 
d)
friction