Two metal rings 1 and 2 are placed in a uniform magnetic field which is decreasing with time their planes perpendicular to the field. If the rings are identical except that ring 2 has a thin air gap in it, which one of the following statement is correct?
A. No e.m.f. is induced in ring 1
B. An e.m.f. is induced in both the rings
C. Equal Joule heating occurs in both the rings
D. Joule heating does not occur in either ring
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Electromagnetic Field Theory
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