Electromagnetic Induction Answers

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1
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Imagine the current in a current-carrying wire is flowing into the screen. What is the direction of the magnetic field around this current?

A
The magnetic field is clockwise.
B
The magnetic field is counterclockwise.
C
The magnetic field is moving out of the screen.
D
The magnetic field is moving into the screen.
2
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Which statements correctly describe the relationship between a solenoid and an electromagnet? Check all that apply.A solenoid is an electromagnet. A solenoid carries an electric current.An electromagnet is a solenoid with a metal core. An electromagnet induces an electric current in a solenoid.A solenoid induces a magnetic field in a metal core.

A
A solenoid is an electromagnet.
B
A solenoid carries an electric current.
C
An electromagnet is a solenoid with a metal core.
D
An electromagnet induces an electric current in a solenoid.
E
A solenoid induces a magnetic field in a metal core.
3

In what way does a temporary magnet provide an advantage over a permanent magnet?

A
A temporary magnet is stronger than a permanent magnet.
B
A temporary magnet is larger than a permanent magnet.
C
A temporary magnet uses less current than a permanent magnet.
D
A temporary magnet allows the user to determine when it is magnetic.
4

Which of these situations would generate electrical current in a wire? Check all that apply. moving a magnet into a solenoid moving a magnet out of a solenoid holding a magnet steady inside a solenoidholding a solenoid steady outside a magnetmoving a solenoid in a magnetic field

A
moving a magnet into a solenoid
B
moving a magnet out of a solenoid
C
holding a magnet steady inside a solenoid
D
holding a solenoid steady outside a magnet
E
moving a solenoid in a magnetic field

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Electromagnetic Induction Answers — OC27…