MGVCL Exam Paper (30-07-2021 Shift 1)
In computer networks, the nodes are

the computer that routes data
the computer that terminates data
all the mentioned above
the computer that originates data

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MGVCL Exam Paper (30-07-2021 Shift 1)
In a single phase energy meter, the series electromagnet is energized by a ___ of ___

voltage coil, thin wire of more turns
current coil, thick wire of few turns
voltage coil, thick wire of few turns
current coil, thin wire of more turns

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MGVCL Exam Paper (30-07-2021 Shift 1)
The expression for voltage regulation of a short transmission line for lagging power factor is given by: ___, where, 'I' is the line current, 'V_r' is the receiving end voltage, 'R' is the line resistance and 'X' is the line reactance.

(IR cosφ_r - IX sinφ_r)/V_r
(IX cosφ_r + IR sinφ_r)/V_r
(IX cosφ_r - IR sinφ_r)/V_r
(IR cosφ_r + IX sinφ_r)/V_r

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

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

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