4- Mark the correct answer. In the circuit shown, & = 90 V, R₁ = 40, R₁ = 25, and L = 0.3 H. Switch S is closed at t = 0. Just after the switch is closed, what is the potential difference vcd across the inductor L? Which point, c or d, is at a higher potential? A) |vc| = 90 V, point c is at higher potential. B) Ivcal = 90 V, point d is at higher potential. C) ved=144 V, point c is at higher potential. Vcd=144 V, point d is at higher potential. E) None of the above. D) S a E -|||+ www. R₁ www. 0000 R₂ CL d b
4- Mark the correct answer. In the circuit shown, & = 90 V, R₁ = 40, R₁ = 25, and L = 0.3 H. Switch S is closed at t = 0. Just after the switch is closed, what is the potential difference vcd across the inductor L? Which point, c or d, is at a higher potential? A) |vc| = 90 V, point c is at higher potential. B) Ivcal = 90 V, point d is at higher potential. C) ved=144 V, point c is at higher potential. Vcd=144 V, point d is at higher potential. E) None of the above. D) S a E -|||+ www. R₁ www. 0000 R₂ CL d b
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Transcribed Image Text:4- Mark the correct answer.
In the circuit shown, & = 90 V, R₁ = 40, R₁ = 25 02, and L =
0.3 H. Switch S is closed at t = 0. Just after the switch is closed,
what is the potential difference Ved across the inductor L?
Which point, c or d, is at a higher potential?
a)
b)
c)
A) |vcal = 90 V, point c is at higher potential.
B) |vcal = 90 V, point d is at higher potential.
Vcd=144 V, point c is at higher potential.
|vcal = 144 V, point d is at higher potential.
None of the above.
C)
D)
E)
A
B
C
e) E
S
a
www
R₂
E
+|1|1
ww
R₁
C
voor
L
d
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