MGVCL Exam Paper (30-07-2021 Shift 2)
If no load is connected to solar PV system,

its voltage will go on increasing till its breakdown
it will dissipate energy in the panel and increase its temperature
it will stop absorbing light
it will start reflecting the light

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

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