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.

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

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

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MGVCL Exam Paper (30-07-2021 Shift 1)
નીચેના રુઢિપ્રયોગોને અર્થ સાથે સાંકળી જોડી બનાવો.
1. કાન કરડવા - 1. બાતમી મળી જવી.
2. કાન ફૂંકવા - 2. વાત પર ધ્યાન ન આપવું.
૩. કાને વાત પહોચવી - ૩. કાન

1-42-33-14-2
1-32-23-44-1
1-32-43-14-2
1-22-33-44-1

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