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
0 V, 15 V
10 V, 15 V

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MGVCL Exam Paper (30-07-2021 Shift 1)
The normal percentage bias setting of differential relay used for transformer protection will be

between 10% and 50%
between 50% and 75%
below 10%
above 75%

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MGVCL Exam Paper (30-07-2021 Shift 1)
In a 3-phase, 4-wire, 400/230 V system, a lamp (L1) of 100 W is connected to one phase and neutral and a lamp (L2) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 100 W lamp (L1)?

160 V
180V
240V
120V

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MGVCL Exam Paper (30-07-2021 Shift 1)
Match the following

A = (iii), B = (ii), C = (i)
A = (ii), B = (iii), C = (i)
A = (ii), B = (i), C = (iii)
A = (iii), B = (i), C = (ii)

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