Review Faraday's and lenz law
Authored by Physics Physics
Physics
12th Grade
NGSS covered
Used 11+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What would happen if I move a bar magnet in and out of a coil of copper wire?
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the direction of the induced magnetic field?
Tags
NGSS.HS-PS2-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnetic flux is related to magnetic field strength by the formula
Φ=BA
Φ=BA2
Φ=B/A
Φ=B/A2
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What factors affect the strength of induced emf in a closed current?
Surface area
Pole of magnet
Magnetic field strength
Number of Flux over time
Number of coils
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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.
increasing the number of turns on the coil
increasing the speed of the magnet
increasing the strength of the magnet
all of the above
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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?
enhance the effect which produces it
produce a greater heating effect
produce the greatest voltage
oppose the effect which produces it
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In what direction is the magnet moving?
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
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