MGVCL Exam Paper (30-07-2021 Shift 1)
An RC series circuit with R = 150 Ω and C = 2 μF is excited by a DC source of 15 V by closing the switch at t = 0 with an initially uncharged capacitor. The initial and final voltages across the capacitor respectively are

0 V, 10 V
15 V, 10 V
10 V, 15 V
0 V, 15 V

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MGVCL Exam Paper (30-07-2021 Shift 1)
As per ___ guidelines, if the ratio of carbon dioxide (CO₂) and carbon monoxide (CO) in dissolved gas analysis is ___, it is predicted that the condition of paper insulation inside the transformer is poor.

IEC-599, less than 11
IEC-599, more than 11
IEC-899, more than 11
IEC-899, less than 11

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

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

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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
2.5% decrease
5% increase
5% decrease

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