unit length
A semicircular loop of diameter d is made by using
a conducting wire of resistance
per
16 which is Connected
with ideal bettery
of emf
emf E as Shown lo Ligure then
dissipated per unit sec. by semicircular wire is
2
heat
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Answer:
Join AB and then also make a segment A
′
B
′
.
There is no change in flux in the whole semicircular loop, thus no emf is generated in it. But a certain emf is induced in equivalent segment A
′
B
′
which is same as in between A and B.
Length of A
′
B
′
, L=2R
∴ EMF induced between A
′
and B
′
, E=Bv
⊥
L
E=B(vsinθ)(2R)
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