MGVCL Exam Paper (30-07-2021 Shift 3)
A delta-connected balanced three-phase load is supplied from a three phase, 400 V supply. The line current is 20 Aand the power taken by the load is 10 kW. Find the power consumed if the same load is connected in star.

3.33 W
21.77 W
16.33 W
30 W

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MGVCL Exam Paper (30-07-2021 Shift 3)
A star connected synchronous generator rated at 500 MVA, 50 kV has a reactance of 0.5 pu. Find the ohmic value of the reactance.

2.5 Ω
1 Ω
0.25 Ω
0.1 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
Match the following shown in table

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

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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/(4π)
σ/(4πε)
σ²/(2ε)
σ²/(2πε)

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