MGVCL Exam Paper (30-07-2021 Shift 1)
What are the states of the three ideal diodes of the circuit shown in figure ?

D1 ON, D2 OFF, D3 OFF
D1 OFF, D2 ON, D3 OFF
D1 OFF, D2 ON, D3 ON
D1 ON, D2 OFF, D3 ON

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MGVCL Exam Paper (30-07-2021 Shift 1)
Match the following

A = (iii), B = (ii), C = (i)
A = (ii), B = (i), C = (iii)
A = (iii), B = (i), C = (ii)
A = (ii), B = (iii), C = (i)

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MGVCL Exam Paper (30-07-2021 Shift 1)
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 100 W lamp (L1)?

120V
180V
240V
160 V

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