Question

The magnetic flux linked with a coil is given by a equation f (in webers) = 8t^2 + 2t + 20. The induced
emf in the coil at the end of third second will be


(1) 17 V (2) 68 V (3) 34 V (4) 65 V

Answer 1

Answer:

IMO it should be 50 V

Explanation:

df/dt = 16t +2

put t=3

16(3)+2 = 50