Year: 2022 Re-Exam
Topic: Electromagnetic induction
Time :
1. The magnetic flux linked to a circular coil of radius R is:φ = 2t
3
+ 4t
2
+ 2t + 5 WbThe magnitude of induced emf in the coil at t = 5s is:
(1). 192 V
(2). 108 V
(3). 197 V
(4). 150 V