The flux linked with a coil at any instant t is given by ΦB = 10t2 – 50t + 250. The induced emf at t = 3s is ………………. .
A. -190 V
B. -10 V
C. 10 V
D. 190 V
Answer:B
The flux linked with a coil at any instant t is given by ΦB = 10t2 – 50t + 250. The induced emf at t = 3s is ………………. .
A. -190 V B. -10 V C. 10 V D. 190 V