A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series opposing.

MGVCL Exam Paper (30-07-2021 Shift 2)
A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series opposing.

1135 mH

730 mH

932 mH

1270 mH

1135 mH

730 mH

932 mH

1270 mH

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MGVCL Exam Paper (30-07-2021 Shift 2)
If the velocity of electromagnetic wave in free space is 3 × 10⁸ m/s, then the velocity in a medium with εr of 4.5 and μr of 2 would be

3 × 10⁸ m/s

9 × 10⁸ m/s

1 × 10⁸ m/s

27 × 10⁸ m/s

3 × 10⁸ m/s

9 × 10⁸ m/s

1 × 10⁸ m/s

27 × 10⁸ m/s

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MGVCL Exam Paper (30-07-2021 Shift 2)
Match the following shown in figure

C = (ii) & (1)

B = (ii) & (1)

A = (iii) & (2)

A = (i) & (3)

C = (ii) & (1)

B = (ii) & (1)

A = (iii) & (2)

A = (i) & (3)

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MGVCL Exam Paper (30-07-2021 Shift 2)
The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss and the magnetizing current (Im)

decreases, increases

increases, remains constant

remains constant, decreases

increases, increases

decreases, increases

increases, remains constant

remains constant, decreases

increases, increases

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MGVCL Exam Paper (30-07-2021 Shift 2)
____are long-term (hours-long) voltage sags caused by system overload.

Black outs

Voltage dips

Brownouts

Voltage surges

Black outs

Voltage dips

Brownouts

Voltage surges

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MGVCL Exam Paper (30-07-2021 Shift 2)
Choose the word which expresses nearly the opposite meaning of the given word "WHIMSICAL"

Regular

Funny

Fantastic

Curious

Regular

Funny

Fantastic

Curious

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MGVCL Exam Paper (30-07-2021 Shift 2)

MGVCL Exam Paper (30-07-2021 Shift 2) A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series opposing.

MGVCL Exam Paper (30-07-2021 Shift 2) If the velocity of electromagnetic wave in free space is 3 × 10⁸ m/s, then the velocity in a medium with εr of 4.5 and μr of 2 would be

MGVCL Exam Paper (30-07-2021 Shift 2) Match the following shown in figure

MGVCL Exam Paper (30-07-2021 Shift 2) The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss ____ and the magnetizing current (Im) ____

MGVCL Exam Paper (30-07-2021 Shift 2) ____are long-term (hours-long) voltage sags caused by system overload.

MGVCL Exam Paper (30-07-2021 Shift 2) Choose the word which expresses nearly the opposite meaning of the given word "WHIMSICAL"

MGVCL Exam Paper (30-07-2021 Shift 2)
A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series opposing.

MGVCL Exam Paper (30-07-2021 Shift 2)
If the velocity of electromagnetic wave in free space is 3 × 10⁸ m/s, then the velocity in a medium with εr of 4.5 and μr of 2 would be

MGVCL Exam Paper (30-07-2021 Shift 2)
Match the following shown in figure

MGVCL Exam Paper (30-07-2021 Shift 2)
The voltage applied to a transformer primary is increased keeping V/f constant. With this, the core loss and the magnetizing current (Im)

MGVCL Exam Paper (30-07-2021 Shift 2)
____are long-term (hours-long) voltage sags caused by system overload.

MGVCL Exam Paper (30-07-2021 Shift 2)
Choose the word which expresses nearly the opposite meaning of the given word "WHIMSICAL"