MGVCL Exam Paper (30-07-2021 Shift 3)
A DC shunt generator has an induced voltage of 220 V on open circuit. When the machine is on load the terminal voltage is 200 V. Find the load current if the field resistance is 100 Ω and armature resistance is 0.2 Ω.

96 A
102 A
98 A
104 A

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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

σ/(4πε)
σ²/(2πε)
σ²/(4π)
σ²/(2ε)

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MGVCL Exam Paper (30-07-2021 Shift 3)
નીચે પૈકી કેટલી કહેવતો વિરુદ્ધાથીઁ છે?.
1. પાંચ બોલે તે પરમેશ્વર - ગામને મોઢે ગળણું ન બંધાય.
2. ચોરની ચાર અને જોનારની બે - વિશ્વાસે વહાણ ચાલે.
3. ખાલી ચણો વાગે ઘણો - અધુરો ઘડો છલકાય.
4. હાથના કર્યા હૈયે વાગ્યા - દીવો લઈને કૂવામાં પડવું

બધી કહેવતો સમાનર્થી છે
કુલ 1
કુલ 3
એક પણ નહિ

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a 3-phase, 4-wire, 400/230 V system, a lamp (L₁) of 100 W is connected to one phase and neutral and a lamp (L₂) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 150 W lamp (L₂)?

240 V
160 V
120 v
180 V

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