A uniform magnetic field is restricted within a region of radius r. The magnetic field changes with time at a rate $$\frac{\overrightarrow{dB}}{dt}$$. Loop 1 of radius $$R>r$$ encloses the region r and loop 2 of radius R is outside the region of magnetic field as shown in the figure below. Then the e.m.f. generated is

A

$$-\frac{\overrightarrow{dB}}{dt}\pi r^2$$ in loop 1 and $$-\frac{\overrightarrow{dB}}{dt}\pi r^2$$ in loop 2

B

$$-\frac{\overrightarrow{dB}}{dt}\pi R^2$$ in loop 1 and Zero in loop 2

C

$$-\frac{\overrightarrow{dB}}{dt}\pi r^2$$ in loop 1 and Zero in loop 2

D

zero in loop 1 and zero in loop 2