MGVCL Exam Paper (30-07-2021 Shift 2)
A given solar cell has the following specifications:
Open-circuit voltage, Voc: 0.7 V
Short-circuit current, Isc: 3 A
Voltage at maximum power, Vmp: 0.5 V
Current at maximum power, Imp : 2.65 A
Calculate the fill factor.

0.81
1.23
0.63
1.58

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MGVCL Exam Paper (30-07-2021 Shift 2)
A 3-phase motor load has a p.f. of 0.397 lagging. The two wattmeter method used to measure power show the input as 30 kW. Find the reading on each wattmeter.

W1 = -10 kW and W2 = 40 kW
W1 = -5 kW and W2 = 35 kW
W1 = 5 kW and W2 = 25 kW
W1 = 10 kW and W2 = 20 kW

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MGVCL Exam Paper (30-07-2021 Shift 2)
In a single phase energy meter, the shunt electromagnet is energized by a ____of ____

current coil, thick wire of few turns
pressure coil, thin wire of more turns
pressure coil, thick wire of few turns
current coil, thin wire of more turns

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