
Electromagnets in a Circuit
Authored by Hannah Maurice
Science
8th Grade
Used 1+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the motor is magnetized and interacts with the other components to create movement?
Coil of wire (electromagnet)
Plastic cup
Rubber bands
Sandpaper
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When two north poles of two magnets are brought close to each other, what happens to the magnetic field?
They push apart.
They pull together.
They do nothing.
They break.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What likely happens to the properties of the coiled wire when it’s connected to the battery in a closed circuit?
The coiled wire becomes magnetized.
The coiled wire becomes insulated.
The coiled wire dissolves in the battery.
The coiled wire rusts immediately.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key feature of an electromagnet?
It is a type of magnet where the magnetic field is produced by an electric current.
It only works during the night.
It’s a permanent magnet unaffected by electric currents.
It’s a device that stores chemical energy.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When reversing the battery connections in a circuit, what should you observe about the compass needle?
The needle will move in the opposite direction.
The needle will stay still.
The needle will disintegrate.
The needle will change color.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What form of energy does a battery represent before it is connected to a circuit?
Potential energy
Kinetic energy
Thermal energy
Magnetic energy
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is it called when energy changes from electrical energy to kinetic energy in a motor?
An energy transformation
An energy cancellation
Magnetic destruction
Resistance increase
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