AP Physics 2hardmcq1 pt
An electric motor converts electrical energy to mechanical energy via
A.magnetic forces on a current-carrying coil
B.electromagnetic induction only
C.chemical reactions
D.gravitational attraction
Explanation
Core Concept
The field torques the coil, spinning the shaft.
Correct Answer
Amagnetic forces on a current-carrying coil
More Unit 5: Magnetism and Electromagnetic Induction practice questions
- hardThe magnetic force on a current loop in a uniform field
- hardA coil is rotated in a uniform field. The induced EMF is greatest when the coil's plane is
- hardA mass spectrometer separates ions by
- hardA proton (charge +e) and an electron (−e) enter the same magnetic field at the same speed. Their paths curve
- hardAn MRI machine uses
Practice more AP Physics 2 questions with full explanations
Practice Unit 5: Magnetism and Electromagnetic Induction Questions →