MGVCL Exam Paper (30-07-2021 Shift 3)
What are the main challenges that the electric grid faces?

Increase in Energy Demand
All of these
Reliability and Power Quality is Declining
Global rise in temperature

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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)?

160 V
240 V
180 V
120 v

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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
changes logarithmically with radiation
inversely proportional to radiation intensity
directly proportional to radiation intensity

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