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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MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

92.55 pF
82.55 pF
62.55 pF
72.55 pF

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MGVCL Exam Paper (30-07-2021 Shift 3)
What are the main challenges that the electric grid faces?

Reliability and Power Quality is Declining
Increase in Energy Demand
All of these
Global rise in temperature

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MGVCL Exam Paper (30-07-2021 Shift 3)
What is the full form of the acronym 'SWIFT', in financial institution?

Social World interconnection in Financial Tech process
Society website in Financial Terms
Society for Worldwide Interbank Financial Telecommunication
Social Wide in Financial Transaction

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