Question

My Notes points Previoua Ana P01 Two vuils dre uluse uu eath uther. The first uuil corries s curreru given 4,20e Cc250: sin 120Nu, where i is in arriperes sru Lis ir seuunds. A u25 s, une ernr medsured suruss uite stecund uuil is 2.50 v. viidu is ure muwal inducuance or une coils? Your response differs from tha comect answer by mcra than 10%. Double check your calculations. mH Need Help? Read

Two coils are close to each other. The first coil carries a current given by i(t) = 4.20e^?0.0250t sin 120?t, where i is in amperes and t is in seconds. At t = 0.825 s, the emf measured across the second coil is

?2.50 V.

What is the mutual inductance of the coils?

Answer 1

Solution -2.oe in (O) n (12 oTrt emt in secons coilE V cit hoto. diet) 4-2 e dat