In Fig. 30-63, R = 2.0 ohm and the ideal battery has E =10 V. Switch...

Question

Question

In Fig. 30-63, R = 2.0 ohm and the ideal battery h

science physics

Answer 1

Answer #1

I = I0*(1-e^-tR/L )

at t =5sec

I0 = E/R = 10/2 = 5 amp

1 = 5*(1-e^(-2*5/L)

=> -0.8 = -e^(-2*5/L)

=> 0.223 = 10/L

=> L = 10/(0.223) = 44.84 H

Answer 2

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