MHT CET202123 Sep 2021Evening ShiftPhysicsElectromagnetic InductionActual
The magnitude of flux linked with coil varies with time as =3 t^2+4 t+7 . The magnitude of induced e.m.f. at t=2 ~s is
Options
- A3 ~V
- B16 ~V
- C10 ~V
- D7 ~V
Correct answer
B. 16 ~V
Step-by-step solution
aligned & =3 t^2+4 t+7 & |e|= d d t =6 t+4 & At t=2 s,|e|=16 V aligned