Q2: d'q The charge q in an electric circuit at time t satisfies the equation L+R- dq 1 +++=E, where dt dt C L. R. C and E are constants. Solve the equation given L 2 H, C= 200 x 10 F and E = 250 V. dq when (a) R = 200 2 and (b) R is negligible. Assume that when t 0, q 0 and- dt Ans. : 1 1 -t+- 20 -50t 20 b) q=(1-cos 50t)

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Q2:
d'q
The charge q in an electric circuit at time t satisfies the equation LR
+-
dt?
dt C9=E, where
L. R. C and E are constants. Solve the equation given L= 2 H, C 200 x 10 F and E= 250 V.
when (a) R = 200 2 and (b) R is negligible. Assume that when t= 0, q = 0 and
dt
Ans. :
a)
1
5.
1
-50t
20
20
b)
1
q=(1- cos 50t)
20
Transcribed Image Text:Q2: d'q The charge q in an electric circuit at time t satisfies the equation LR +- dt? dt C9=E, where L. R. C and E are constants. Solve the equation given L= 2 H, C 200 x 10 F and E= 250 V. when (a) R = 200 2 and (b) R is negligible. Assume that when t= 0, q = 0 and dt Ans. : a) 1 5. 1 -50t 20 20 b) 1 q=(1- cos 50t) 20
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