NEW
Font size
S
M
L
XL
WorksheetsElectricity (Form 5 MRSM)
Total questions: 30
Worksheet time: 6mins
Name
Class
Date
1.
a)
Series circuit
b)
Incomplete circuit
c)
Parallel circuit
d)
Power source
2.
What is an insulator?
a)
The area of a conductor through which a current is able to move
b)
A material which does not allow electricity to go through it
c)
The amount of devices which are in a circuit
d)
A battery or other device which provides energy for a circuit
3.
When there are several path for the current to follow
a)
Pathway
b)
Conductor
c)
Series circuit
d)
Parallel circuit
4.
The flow of electricity through a conductor
a)
Battery
b)
Current
c)
Static electricity
d)
Switch
5.
A small device that stores energy in a chemical form
a)
Complete circuit
b)
Switch
c)
Power source
d)
Battery
6.
Which of these could be used as a resistor in a circuit?
a)
pencil
b)
gas engine
c)
rubber eraser
d)
electric motor
7.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
8.
Thicker wires have _______ resistance than thinner wires.
a)
more
b)
less
c)
the same
9.
Electric current is measured in ______.
a)
Watts
b)
Volts
c)
Amperes
10.
As the resistance in a circuit increases, the electric current __________.
a)
increases
b)
decreases
c)
stays the same
11.
Which formulas represents Ohm's law?
a)
V=IR
b)
R=IV
c)
I=RV
12.
Which subatomic particles have a positive charge?
a)
neutrons
b)
electrons
c)
protons
13.
What is the unit for resistance?
a)
Volts
b)
Amperes
c)
Ohms
14.
How many volts are in a circuit with a battery that has a resistance of 10 Ohms and a current of 2 Amps?
a)
.5 Volts
b)
5 Volts
c)
20 Volts
15.
Electricity is the flow of _________.
a)
protons
b)
neutrons
c)
electrons
16.
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
17.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
18.
What is the current through a 11V bulb with a power of 99W?
a)
9W
b)
9A
c)
60V
d)
60A
19.
Diagram above shows a direct current drilling tool. the resistance of the coil in the drilling tool is 0.48 Ω .
The current flows through the coil is 25 A.
What is the power produced by the drilling tool?
a)
52 W
b)
144 W
c)
300 W
d)
1302 W
20.
Opposite charges _______________.
a)
attract
b)
repel
c)
nothing changes
21.
Which of these materials is a good conductor of electricity?
a)
Rubber
b)
Metal
c)
Newspaper
d)
Glass
22.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
23.
Which type of current comes from a battery?
a)
alternating current (AC)
b)
direct current (DC)
24.
Like poles of a magnet do what?
a)
repel
b)
attract
c)
nothing
25.
What is the region of force around a magnet known as?
a)
magnetic field
b)
magnetic pole
c)
magnetic domain
d)
lodestone
26.
The force of magnetism is stronger when magnets are ________________
a)
cold
b)
round
c)
closer together
d)
farther apart
27.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
28.
What happens if you cut a bar magnet in half?
a)
You get two North pole magnets
b)
You get two South pole magnets
c)
You get a North pole magnet and a South pole magnet
d)
You get two smaller magnets, each with a North and South pole
29.
2 ways to increase the magnetic force of an electro-magnet
a)
Increase the current flow, reduce the number of coils
b)
Increase the voltage, decrease the number of coils
c)
Increase the number of coils and the current flow
d)
Spread out the coils, replace iron core with rubber.
30.
How is a permanent magnet DIFFERENT from a temporary magnet?
a)
A permanent magnet attracts materials made of iron.
b)
A permanent magnet has poles.
c)
A permanent magnet has a magnetic field.
d)
A permanent magnet keeps its magnetism for a long time.
Reset
