wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Physics SPM : Electromagnetism: Topic 3.1 - 3.3

Total questions: 30

Worksheet time: 13mins

Name
Class
Date
1.
What is this device?
a)
electromagnet
b)
generator
c)
electric motor
2.
Produces an electric current when a coil of wire wrapped around an iron core is rotated near a magnet.
a)
generator
b)
electric motor
c)
electromagnet
3.
Huge wheels that rotate when pushed by water, wind or steam.
a)
turbines
b)
leads
c)
magnets
4.
Transforms mechanical energy to electrical energy. 
a)
generator
b)
electric motor
c)
electromagnet
5.
Contains an electromagnet that rotates between the poles of a magnet.
a)
generator
b)
electric motor
c)
electromagnet
6.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
7.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
8.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
9.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
10.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
11.
What energy transformation takes place in a battery powered fan that is spinning?
a)
kinetic to chemical to electrical
b)
chemical to kinetic
c)
chemical to electrical to kinetic
d)
electrical to kinetic to chemical
12.

What device changes mechanical kinetic energy into electrical energy?

a)

electric motor

b)

insulator

c)

electromagnet

d)

generator

13.

A student moves a magnet into a coil of wire as shown in the diagram. The coil of wire is connected to a sensitive ammeter. How to increase the reading of ammeter??

a)

increasing the number of turns on the coil

b)

increasing the speed of the magnet

c)

increasing the strength of the magnet

d)

all of the above

14.

A circular conducting loop is in a region of magnetic field B directed out of the page, as shown below. The magnitude of the magnetic field is decreasing. The direction of the induced current in the loop is

a)

Clockwise

b)

counterclockwise

c)

Undefined because the current is zero

d)

Impossible to determine without knowing the rate of change of field

15.

According to Lenz’s law the direction of an induced current in a conductor will be that which tends to produce which of the following effects?

a)

enhance the effect which produces it

b)

produce a greater heating effect

c)

produce the greatest voltage

d)

oppose the effect which produces it

16.
___ Law says that the Induced current is proportional to the change of magnetic flux 
a)
Lenz'
b)
Faraday's
c)
Ampere's
17.
___ Law says that a current produced by an induced emf moves in a direction so that its magnetic field opposes the original change in flux
a)
Lenz'
b)
Faraday's
c)
Ampere's
18.
13.7 Based on this picture, which side will have a higher voltage?
a)
Secondary
b)
Primary
c)
Both sides have the same voltage
d)
Cannot be determined
19.
What is the direction of the induced magnetic field?
a)
Left
b)
Right
c)
Up
d)
Down
20.
What is the direction of the induced magnetic field?
a)
Left
b)
Right
c)
Up
d)
Down
21.
In what direction is the magnet moving?
a)
Left
b)
Right
c)
Up
d)
Down
22.
In what direction is the magnet moving?
a)
Left
b)
Right
c)
Up
d)
Down
23.
Which of the following is NOT an application of Lenz's Law
a)
Transformers
b)
AC generator
c)
A coil traversed by AC current
d)
A DC motor
24.
___ Law says that the Induced current is proportional to the change of magnetic flux 
a)
Lenz'
b)
Faraday's
c)
Ampere's
25.
In 1831 who discovered electromagnetic induction?
a)
Thomas Edison
b)
Nikola Tesla
c)
Michael Faraday
26.
Passing a current through a solenoid will produce
a)
a magnetic field
b)
an electric field
c)
a current field
d)
nothing is produced
27.
 Faraday's Law states that the induced emf is proportional to Hide answers
a)
the current 
b)
the cross sectional area of the coil 
c)
the rate of change in the flux of the coil
28.
13.2 If a magnet is pushed into a coil, voltage is induced across the coil. If the same magnet is pushed
into a coil with twice the number of loops,
a)
a. one-half as much voltage is induced.
b)
b. the same voltage is induced.
c)
c. twice as much voltage is induced.
d)
d. four times as much voltage is induced.
29.

What device changes mechanical kinetic energy into electrical energy?

a)

electric motor

b)

insulator

c)

electromagnet

d)

generator

30.

Huge wheels that rotate when pushed by water, wind or steam.

a)

turbines

b)

leads

c)

magnets

Similar Resources on Wayground

Force

25 questions

Force

quiz

Worksheet

•

1st - 5th Grade

Year 7 Space Revision Quiz

26 questions

Year 7 Space Revision Quiz

quiz

Worksheet

•

5th - 10th Grade

Physics

25 questions

Physics

quiz

Worksheet

•

KG - University

Types of Radiation

25 questions

Types of Radiation

quiz

Worksheet

•

4th Grade

Simple Machines

26 questions

Simple Machines

quiz

Worksheet

•

KG - University

Simple Machines: Levers

25 questions

Simple Machines: Levers

quiz

Worksheet

•

5th - 7th Grade

Newton's Universal Law of Gravitational

25 questions

Newton's Universal Law of Gravitational

quiz

Worksheet

•

4th Grade

Waves Review- Basics and Sound

25 questions

Waves Review- Basics and Sound

quiz

Worksheet

•

KG - University