True or False: In electromagnetic induction, the direction of the induced current changes instantly if the direction of motion of the magnet relative to the coil is reversed.

True

False

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True or False: In a simple DC motor, reversing the direction of the magnetic field while keeping the current direction the same will cause the coil to rotate in the opposite direction.

When modeling induction as 'cutting through magnetic field lines,' which of the following would NOT increase the number of lines cut per second?

For an ideal gas-law style calculation in induction, we model 'stronger' magnetic fields by representing the field lines as:

If the current flowing through a wire in a fixed magnetic field is tripled, how does the force on the wire change?

MYP MYP Physics Topic Electromagnetic Forces and Induction Questionbank

Practice MYP MYP Physics Topic Electromagnetic Forces and Induction with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for Electromagnetic Forces and Induction and mirrors Paper 1, 2 style where relevant.

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True

False

Moving the wire faster through the field

Moving the wire parallel to the magnetic field lines

Using a coil with more turns of wire

Using a stronger magnet with closer field lines

Perfectly straight

Farther apart

Closer together

Dashed instead of solid

The force triples in magnitude but its direction remains the same

The force triples in magnitude and its direction reverses

The force remains the same because the magnetic field is constant

The force increases by a factor of nine