1
GATE EE 2012
+2
-0.6
In the circuit shown, the three voltmeter readings are V1 = 220V, V2 = 122V , V3 = 136V. The power factor of the load is
A
0.45
B
0.50
C
0.55
D
0.60
2
GATE EE 2012
+2
-0.6
In the circuit shown, the three voltmeter readings are V1 = 220V, V2 = 122V , V3 = 136V. If RL=5 Ω , the approximate power consumption in the load is
A
700 W
B
750 W
C
800 W
D
850 W
3
GATE EE 2012
+2
-0.6
With 10 V dc connected at port A in the linear nonreciprocal two-port network shown below, the following were observed:

(i) 1 Ω connected at port B draws a current of 3 A
(ii) 2.5 Ω connected at port B draws a current of 2 A

W ith 10 V dc connected at port A, the current drawn by 7 Ω connected at port B is
A
3/7 A
B
5/7 A
C
1 A
D
9/7 A
4
GATE EE 2012
+2
-0.6
With 10 V dc connected at port A in the linear nonreciprocal two-port network shown below, the following were observed:

(i) 1 Ω connected at port B draws a current of 3 A
(ii) 2.5 Ω connected at port B draws a current of 2 A

For the same network, with 6 V dc connected at port A, 1 Ω connected at port B draws 7/3 A. If 8 V dc is connected to port A, the open circuit voltage at port B is
A
6
B
7
C
8
D
9
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