1
GATE EE 2012
MCQ (Single Correct Answer)
+1
-0.3
The average power delivered to an impedance $$\left(4-j3\right)$$ Ω by a current $$5\cos\left(100\mathrm{πt}+100\right)\;A$$ is
A
44.2 W
B
50 W
C
62.5 W
D
125 W
2
GATE EE 2012
MCQ (Single Correct Answer)
+1
-0.3
A two phase load draws the following phase currents: $$i_1\left(t\right)=I_m\sin\left(\omega t-\phi_1\right)$$, $$i_2\left(t\right)=I_m\cos\left(\omega t-\phi_2\right)$$. These currents are balanced if $$\phi_1$$ is equal to
A
-$$\phi_2$$
B
$$\phi_2$$
C
$$\left(\mathrm\pi/2\;-\;{\mathrm\phi}_2\right)$$
D
$$\left(\mathrm\pi/2\;+\;{\mathrm\phi}_2\right)$$
3
GATE EE 2012
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown, the three voltmeter readings are V1 = 220V, V2 = 122V , V3 = 136V. GATE EE 2012 Electric Circuits - Sinusoidal Steady State Analysis Question 41 English If RL=5 Ω , the approximate power consumption in the load is
A
700 W
B
750 W
C
800 W
D
850 W
4
GATE EE 2012
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown, the three voltmeter readings are V1 = 220V, V2 = 122V , V3 = 136V. GATE EE 2012 Electric Circuits - Sinusoidal Steady State Analysis Question 42 English The power factor of the load is
A
0.45
B
0.50
C
0.55
D
0.60
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