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

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MGVCL Exam Paper (30-07-2021 Shift 1)
Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 15 Ω and the resistance of the resistor connected to the sound core was 45 Ω. Calculate the distance of the fault point from the test end.

150 m
450 m
225 m
75 m

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MGVCL Exam Paper (30-07-2021 Shift 1)
A thermistor is inherently suitable for temperature measurement involving

low span and high sensitivity
high span and low sensitivity
low span and low sensitivity
high span and high sensitivity

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MGVCL Exam Paper (30-07-2021 Shift 1)
In underground cables, the electrostatic stress is ___ at contactor surface and ___ at the sheath.

zero, minimum
minimum, maximum
zero, zero
minimum, maximum

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