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WorksheetsElectricity
Total questions: 30
Worksheet time: 16mins
Name
Class
Date
1.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
2.
A material in which electrons are not able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
3.
The flow/movement of electric charges
a)
Voltage
b)
Resistance
c)
Current
d)
Circuit
4.
A closed path that electric current follows
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
5.
The tendency for a material to oppose the flow of electrons, changing electrical energy into thermal energy and light.
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
6.
According to this law, the current in a circuit equals the voltage difference divided by the resistance.
a)
Law of Conservation of Energy
b)
Ohm's Law
c)
Law of Conservation of Charges
d)
Newton's First Law
7.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source.
c)
Electricity flows along more than one pathway.
d)
The flow of electricity comes from more than one source.
8.
What is one problem with using a series circuit?
a)
It has a lot of series.
b)
If one goes down, they all go down!
c)
It doesn't work properly.
d)
There are no problems.
9.
Which one uses less wire?
a)
Parallel circuit
b)
Series Circuit
10.
How many different types of circuits are there?
a)
1
b)
3
c)
2
d)
4
11.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs.
12.
What is the formula for resistance?
a)
V x I = R
b)
R = V/I
13.
Resistance is measured in ___.
a)
watts.
b)
amps.
c)
ohms.
14.
A battery is an example of a.....
a)
Electric cell
b)
magnet
c)
resistor
d)
static electricity
15.
(Look at picture for question)
a)
A device that opposes the flow of electrons
b)
A device that allows easy flow of electrons
c)
A device that can be used as a battery
d)
Resistors do not exist
16.
What is current measured in?
a)
Inches
b)
Amperes
c)
Centimeters
d)
Newtons
17.
The charge that stays on an object that can either repel or attract objects is
a)
static electricity
b)
conductor
c)
insulator
d)
force
18.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
19.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
20.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
21.
a build up of charged particals
a)
electricity
b)
electric current
c)
static electricity
d)
circuit
22.
A dry cell of a battery.
a)
Potential
b)
Kinetic
23.
If two negative charges are held close together and then released, the charges will
a)
accelerate toward each other.
b)
accelerate away from each other.
c)
not move.
d)
move at a constant speed away from each other
24.
An electric field has
a)
direction.
b)
magnitude.
c)
Both A and B
25.
A small, positively charged object near a positively charged sphere is moved closer to the sphere. The electrical potential energy of the small object
a)
stays the same.
b)
decreases. .
c)
increases
26.
A volt is a unit of
a)
charge. .
b)
electric potential.
c)
energy.
d)
work.
27.
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
28.
If the battery produced 12.6 Volts and 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
29.
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
a)
12 volts
b)
24 volts
c)
1.3333
d)
48 volts
30.
A Charging system producing 14.5 Volts with a current flow of 43.5 Amps, what is the circuit resistance
a)
58 Amps
b)
0.33 Amps
c)
13 Amps
d)
1 Amp
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