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WorksheetsElectromagnetic Induction
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
___ Law says that the Induced current is proportional to the change of magnetic flux
a)
Lenz'
b)
Faraday's
c)
Ampere's
2.
___ 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
3.
How could the experimenter increase the amount of electricity being induced by this experiment?
a)
Increase the number of coils
b)
Decrease the number of coils
c)
Flip the magnet around
d)
Nothing, the amount of electricity cannot be increased
4.
As the north pole of the magnet is moved into the coil, the magnetic flux is _________.
a)
increasing
b)
decreasing
c)
remains constant
d)
depends on the speed of the magnet
5.
A device that converts mechanical energy into electrical energy
a)
A. electric generator
b)
B. electric motor
c)
C. electromagnetic induction
d)
D. mechanical generator
6.
What is the Pole at X
a)
North
b)
South
7.
What happen to the Galvanometer?
a)
Deflected to the right
b)
Deflected to the left
c)
Nothing happen
8.
Click all the factors affecting electromagnetic induction
a)
Strength of magnet
b)
The area of the coil
c)
The speed of movement
d)
Number of turns of coil
e)
The position of poles
9.
Direction of deflection of the galvanometer pointer can be determined by
a)
Lenz's Law
b)
Faraday's Law
c)
Fleming's Left Hand Rule
d)
Fleming's Right Hand Rule
10.
Electromagnetic induction is change in ___________________.
a)
surface area
b)
magnetic poles
c)
magnetic flux
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