MGVCL Exam Paper (30-07-2021 Shift 3)
Consider a solar PV plant with the following specific conditions:
Analysis period: 1 year
Measured average solar irradiation intensity in 1 year: 150 kWh/m²
Generator area of the PV plant: 10 m² Efficiency factor of the PV modules: 15%
Electrical energy actually exported by plant to grid: 135 kWh
Calculate the performance ratio.

50%
75%
80%
60%

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MGVCL Exam Paper (30-07-2021 Shift 3)
If the power supplied by current source shown in figure is double of that supplied by the voltage source, then the value of 'R' is

5 Ω
7.5 Ω
2.5 Ω
3.33 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
કામકાજમાં ધ્યાન કન્દ્રિત કરજો'.
આ આજ્ઞાર્થ વાક્યની સંભાવનાર્થ વાક્યરચના કઈ હોઈ શકે?

હવે તો કામકાજમાં ધ્યાન કેન્દ્રિત કરશો ને?
હવે તો તમે કામકાજમાં ધ્યાન કેન્દ્રિત કરો.
કામકાજમાં ધ્યાન કેન્દ્રિત નથી કરવું?
કામકાજમાં ધ્યાન કેન્દ્રિત કરી લીધું છે.

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MGVCL Exam Paper (30-07-2021 Shift 3)
The short circuit current of a solar cell is

changes logarithmically with radiation
constant and not affected by radiation
inversely proportional to radiation intensity
directly proportional to radiation intensity

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MGVCL Exam Paper (30-07-2021 Shift 3)
A conductor having surface density is embedded in a dielectric medium of permittivity. The electric field in the medium is E. If it is known that the pressure p on the conductor surface is equal to the electric energy density in the medium, then p (in SI unit)is given by

σ²/(2πε)
σ²/(2ε)
σ²/(4π)
σ/(4πε)

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