A uniform magnetic field is restricted within a region of radius r. The magnetic field changes with time at a rate . 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
zero in loop 1 and zero in loop 2
in loop 1 and
in loop 2
in loop 1 and zero in loop 2
in loop 1 and zero in loop 2
As discussed in
Rate of change of magnetic Flux -
- wherein
change in flux
In loop 1,
In loop 2,
Option 1)
zero in loop 1 and zero in loop 2
This option is incorrect.
Option 2)
in loop 1 and
in loop 2
This option is incorrect.
Option 3)
in loop 1 and zero in loop 2
This option is incorrect.
Option 4)
in loop 1 and zero in loop 2
This option is correct.