
Electromagnetism
Authored by Ariel Navotas
Physics
8th Grade
NGSS covered
Used 19+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which statement is true?
As the electric current through a wire increases, the magnetic field around the wire becomes stronger.
As the electric current through a wire increases, the magnetic field around the wire becomes weaker.
As the electric current through a wire increases, the magnetic field around the wire is unaffected.
As the electric current through a wire decreases, the magnetic field around the wire becomes stronger.
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following conditions is necessary for a magnet inside a wire loop to produce an electric current?
The magnet must be stationary.
The wire loop must be part of an open circuit.
The wire loop must already have a current running through it.
The magnet must be in motion.
Tags
NGSS.HS-PS2-5
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which statement is false?
) The direction a magnet moves through a coil of wire determines the direction of the electric current.
The direction a coil of wire moves through a magnetic field determines the direction of the electric current.
Current will flow through a wire as long as the magnetic field around the coil is changing.
Current will not flow though a wire if the magnet is outside the coil.
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
By changing the current in the wire, you can change the ____ of an electromagnet.
strength and charge
direction and coils
charge and strength
strength and direction
Tags
NGSS.HS-PS2-5
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Changing the _________ of the current in a wire coils reverses an electromagnet’s north and south poles.
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which is the best prediction for what will happen to the reading on the meter when the magnet stops and then is moved down through the loop of wire?
The reading will not change.
The reading will drop to zero and then return to the same reading.
The reading will drop to zero and then move in the negative direction.
The reading will drop to zero and remain there.
Tags
NGSS.HS-PS2-5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In the figure shown, what happens when the amount of current flowing in the wire coil is increased?
The magnetic field becomes stronger.
The magnetic field disappears.
The position of the north and south poles is reversed.
The strength of the magnetic field decreases.
Tags
NGSS.HS-PS2-5
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