4
QuizMultiple Choice

Applications of Electromagnetic Induction

Question 4 • TX-Physics B

Which best describes what happens in an electric generator?

Answer
A
Motion causes constantly changing magnetic fields to induce electrical energy.
B
Motion causes constantly changing magnetic fields to induce kinetic energy.
C
Constantly changing magnetic fields lead to motion, which induces electrical energy.
D
Constantly changing magnetic fields lead to motion, which induces kinetic energy.

Explanation

An electric generator converts motion into electrical energy through electromagnetic induction. As a coil or magnet moves, the magnetic field through the coil changes, inducing an electric current. Thus, motion and changing magnetic fields produce electrical energy, not kinetic energy.

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