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In the circuit shown in the figure (Figure 1) , the battery and the inductor hav

ID: 2122213 • Letter: I

Question

In the circuit shown in the figure (Figure 1) , the battery and the inductor have no appreciable internal resistance and there is no current in the circuit. Assume that R = 15.0%u03A9 and L = 12.0mH


Part A

Immediately after the switch is closed, find the reading of the ammeter A .


Part B

Immediately after the switch is closed, find the readings of the voltmeters (V1 and V2) .

Separate your answer with a comma.


Part C

Find the reading of the ammeter A after the switch has been closed for a very long time.


Part D

Find the readings of the voltmeters (V1 and V2) after the switch has been closed for a very long time.

Separate your answer with a comma.

Explanation / Answer

a)immediately after switch is closed inductor acts as open circuit ,so

I=0 A

b)

V1=0V amd V2=25 V

c)

after long time inductor acts as short circuit

so ,I=V/R =25/15 =1.67 A

d)

V1=25 V and V2=0