MCQ
A coil having an area $A_0$ is placed in a magnetic field which changes from $B_0$ to $4B_0$ in a time interval t. The e.m.f. induced in the coil will be
- ✓$\frac{3 A_0 B_0}{t}$
- B$\frac{4 A_0 B_0}{t}$
- C$\frac{3 B_0}{A_0 t}$
- D$\frac{4 B_0}{A_0 t}$
