Part A
The current in a 200 mH Inductari

Question

Part A
The current in a 200 mH Inductaris
i = 75 mA,
t<0;
i - (B, Cos 200++D, sin 200t) e 50e A, > 0,
where t is in seconds. The voltage across the Inductor (passive sign
convention) is 425 V at t = 0.
Calculate the power at the terminals of the inductor at t = 27 ms
Express your answer to three significant figures and include the appropriate units.
?
Pa
Value
Units
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Part B
State whether the inductor is absorbing or delivering power.
The inductor is delivering power
The inductor is absorbing power
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Kunduz · Accepted Answer

L=200mH = 0.2H
-
e
75mA
e = (B, Cag 2000 + Bo 8 in 2007 ) é
at tzo,
75x10-3 = ß, caso + B2 8mo.)
(
-Sot
-
e Soxo
75x (0-3
UZ Lda
do
o
Bi
(B,= 0.075
= (-B, (200) fin 200d)
+ B2 (200) Cap (2002)]xo-2
)
at t= 0 v- 4. 25 velt
4.25 =
0.2 x 200 B2
Br = 4+25 - 0.106
= 4
40
Bo è = coro75 cas 200t + 1068 in 2007]
e-soa
P = VI (ILDI
fit

Part A The current in a 200 mH Inductaris i = 75 mA, t<0; i - (B, Cos 200++D, sin 200t) e 50e A, > 0, where t is in seconds. The