Question
A wire is bent to form the double loop shown in Fig. There is a uniform magnetic field directed into the plane of the loop. If the magnitude of this field is decreasing, the current will flow from
A wire is bent to form the double loop shown in Fig. There is a uniform magnetic field directed into the plane of the loop. If the magnitude of this field is decreasing, the current will flow from
A.
$$a$$ to $$b$$ and $$c$$ to $$d$$
B.
$$b$$ to $$a$$ and $$d$$ to $$c$$
C.
$$a$$ to $$b$$ and $$d$$ to $$c$$
D.
$$b$$ to $$a$$ and $$c$$ to $$d$$
Answer :
$$a$$ to $$b$$ and $$d$$ to $$c$$
Solution :
By Lenz's law, clockwise current is induced in both loops. Greater the area, large will be the induced emf. Outer loop has greater area.
By Lenz's law, clockwise current is induced in both loops. Greater the area, large will be the induced emf. Outer loop has greater area.
