Asked by Christopher livinda
A uniform magnetic field is establish perpendicular to the plane of a loopof radius 14cm.Resistance 40ohmn, and negligible self-induce.The magnitude of the field increase at a rate of 400mT/s.
(i)Find the induce emf in the loop
(ii)the induced current in the loop and
(iii)The rate of joule heating in the loop
(i)Find the induce emf in the loop
(ii)the induced current in the loop and
(iii)The rate of joule heating in the loop
Answers
Answered by
Chanz
a) V = BA/t (you've been given B/t)
b) i = V/R
c) E/t =P = Vi
b) i = V/R
c) E/t =P = Vi
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