MGVCL Exam Paper (30-07-2021 Shift 1)
By inserting a plate of dielectric material between the plates of a parallel plate capacitor at constant potential, the energy stored in the capacitor is increased five times. The dielectric constant of the material is

25
5
1/25
1/5

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MGVCL Exam Paper (30-07-2021 Shift 1)
___ is the rms value of the total current comprising the AC and DC components of the current in the circuit breaker pole at the instant of contact separation.

Asymmetrical breaking current
Symmetrical breaking current
Symmetrical short circuit current
Making current

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MGVCL Exam Paper (30-07-2021 Shift 1)
A grid interactive solar system:

always supplies power to the grid
works only when the grid fails
always receives power from the grid
supplies power to as well as receives power from the grid as required

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