Question

The flux through a loop is given by Φm = (0.10t 2-0.44) , where φm is in Webers and t is in seconds. (a) Find the induced emf as a function of time. (Use the following as necessary: t.) E(t) = (b) Find both Φm and ε at the following times. Time (s) | Φrm (Wb) ε(v) 0 2.0 4.0 6.0

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Answer #1

induce emf

E = Nd(flux)/dt  

=> E = 1*(0.20*t - 0.44) V

a) at t= 0 , flux = 0 , E = - 0.44  

b) at t = 2.0 , flux = - 0.48 , E = - 0.04

c) at t =4.0 , flux = - 0.16 , E = 0.36

D) AT T =6.0 , flux = 0.96 , E = 0.76

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