MGVCL Exam Paper (30-07-2021 Shift 1)
A given solar cell has the following specifications: Isc = 4 A and Voc = 0.7 V. Consider that 20 identical cells with the above specifications are to be interconnected to create a PV module. What is the open-circuit voltage of the PV module if all the solar cells are connected in a series configuration?

11.2 V
14 V
12.6 V
0.7 V

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MGVCL Exam Paper (30-07-2021 Shift 1)
In a single phase energy meter, the series electromagnet is energized by a ___ of ___

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

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MGVCL Exam Paper (30-07-2021 Shift 1)
આપેલ વિકલ્પો પૈકી દ્રવ્યવાચક સંજ્ઞાનું વાકય કયું છે?

ગુરુ એવો હોવો જોઈએ જેની વાણીમાં મીઠાસ હોય.
મહારાષ્ટ્રમાં અનેક શહેરો છે.
રણવીરને બોલીવુડનો બાહુબલી કહી શકાય.
આજકાલ ઠંડી હવા પ્રસરવા લાગી છે.

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MGVCL Exam Paper (30-07-2021 Shift 1)
Case 1: The PV connected to the DC bus was injecting 20 kW of power constituting of 1 kW of loss
Case 2: The same PV is connected to the AC bus constituting to 1.5 kW loss. Find out the change in efficiency from Case 1 to Case 2?

2.5% increase
5% increase
2.5% decrease
5% decrease

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