1
GATE ECE 2012
MCQ (Single Correct Answer)
+1
-0.3

In the circuit shown below, current through the inductor is

A
$$\frac2{1\;+\;\mathrm j}\mathrm A$$
B
$$\frac{-1}{1\;+\;\mathrm j}\mathrm A$$
C
$$\frac1{1\;+\;\mathrm j}\mathrm A$$
D
0 A
2
GATE ECE 2012
MCQ (Single Correct Answer)
+1
-0.3

The independence looking into nodes 1 and 2 in the given circuit is

A
50 Ω
B
100 Ω
C
5 kΩ
D
10.1 kΩ
3
GATE ECE 2012
MCQ (Single Correct Answer)
+1
-0.33
The average power delivered to an impedance $(4-j 3) \Omega$ by a current $5 \cos (100 \pi t+100) A$ is
A
$44.2 \mathrm{~W}$
B
$50 \mathrm{~W}$
C
$62.5 \mathrm{~W}$
D
$125 \mathrm{~W}$
4
GATE ECE 2009
MCQ (Single Correct Answer)
+1
-0.3

In the interconnection of ideal sources shown in the figure, it is known that the 60V source is absorbing power.

Which of the following can be the value of the current source I?

A
10 A
B
13 A
C
15 A
D
18 A
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