MGVCL Exam Paper (30-07-2021 Shift 3)
A 10 A, Type C Miniature Circuit Breaker (MCB) will trip at fault currents

greater than 100 A
less than 10 A
between 10 A and 50 A
between 50 A and 100 A

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MGVCL Exam Paper (30-07-2021 Shift 3)
The purpose of ____ is to check the ability of the circuit breaker to withstand the overvoltages at power frequency as well as undesired value of voltage during lightning and other discharge phenomenon.

dielectric test
synthetic test
short circuit test
routine test

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?

0.53 H and 15.83 pF
0.73 mH and 13.85 pF
0.53 mH and 15.83 pF
0.73 H and 13.85 pF

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a single phase energy meter, the pressure / voltage coil is wound on

the centre limb of the laminated core / the middle limb of the shunt magnet
both the limbs of the laminated core with different turns
the edges of the limb on the laminated core
both the limbs of the laminated core with same turns

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MGVCL Exam Paper (30-07-2021 Shift 3)
The short circuit current of a solar cell is

constant and not affected by radiation
inversely proportional to radiation intensity
changes logarithmically with radiation
directly proportional to radiation intensity

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