Questions
A loop, having area 20cm2, is made of thin copper wire. If is placed in a uniform magnetic field of induction 1.5 Tesla with its plane perpendicular to the field. If area of the loop increases to 30 cm2 in 0.5 second, average emf induced in the loop is
detailed solution
Correct option is C
Average emf=ϕ2−ϕ1Δt=BA2−A1Δt=1.530−20×10−40.5volt=3 m voltTalk to our academic expert!
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