∑
Math
Magic
Features
Olympiad
Puzzles
Practice
Download Free
← Back to Test
Problem 4 - Olympiad
A coil of 100 turns with area $ 0.1 , ext{m}^2 $ rotates at 60 Hz in a magnetic field of 0.3 T. What is the maximum EMF generated?
A. 113 V
B. 1130 V
C. 188 V
D. 75 V
Check Answer
Show Solution
Correct: B
Maximum EMF is $ epsilon_0 = N B A omega = 100 imes 0.3 imes 0.1 imes (2pi imes 60) = 1130 $ V.