MGVCL Exam Paper (30-07-2021 Shift 3)

MGVCL Exam Paper (30-07-2021 Shift 3)
Arjuna Award is awarded for the excellence in which field?

Sports

Literature

Science

Mathematics

Sports

Literature

Science

Mathematics

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MGVCL Exam Paper (30-07-2021 Shift 3)
Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 20 Ω and the resistance of the resistor connected to the sound core was 40 Ω. Calculate the distance of the fault point from the test end.

100 m

300 m

400 m

200 m

100 m

300 m

400 m

200 m

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MGVCL Exam Paper (30-07-2021 Shift 3)
The current in the coil of a large electromagnet falls from 6 A to 2 A in 10 ms. The induced emf across the coil is 100 V. Find the self-inductance of the coil.

0.75 H

0.25 H

1.25 H

0.5 H

0.75 H

0.25 H

1.25 H

0.5 H

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MGVCL Exam Paper (30-07-2021 Shift 3)
The maximum value of power factor is and it exists in a pure circuit.

0.866, inductive

1, resistive

1, inductive

0.866, resistive

0.866, inductive

1, resistive

1, inductive

0.866, resistive

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MGVCL Exam Paper (30-07-2021 Shift 3)
If the power supplied by current source shown in figure is double of that supplied by the voltage source, then the value of 'R' is

3.33 Ω

5 Ω

2.5 Ω

7.5 Ω

3.33 Ω

5 Ω

2.5 Ω

7.5 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
The threshold voltage of an N-channel enhancement mode MOSFET is 0.5 V. When the device is biased at a gate voltage of 3 V, pinch-off would occur at a drain voltage of

1.5 V

4.5 V

2.5 V

3.5 V

1.5 V

4.5 V

2.5 V

3.5 V

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