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.

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.

0.25 H

1.25 H

0.75 H

0.5 H

0.25 H

1.25 H

0.75 H

0.5 H

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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

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)
નીચે પૈકી કેટલી કહેવતો વિરુદ્ધાથીઁ છે?.
1. પાંચ બોલે તે પરમેશ્વર - ગામને મોઢે ગળણું ન બંધાય.
2. ચોરની ચાર અને જોનારની બે - વિશ્વાસે વહાણ ચાલે.
3. ખાલી ચણો વાગે ઘણો - અધુરો ઘડો છલકાય.
4. હાથના કર્યા હૈયે વાગ્યા - દીવો લઈને કૂવામાં પડવું

કુલ 3

બધી કહેવતો સમાનર્થી છે

એક પણ નહિ

કુલ 1

કુલ 3

બધી કહેવતો સમાનર્થી છે

એક પણ નહિ

કુલ 1

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MGVCL Exam Paper (30-07-2021 Shift 3)
Message ____ means that the data must arrive at the receiver exactly as sent.

None ot these

Integrity

Authentication

Confidentiality

None ot these

Integrity

Authentication

Confidentiality

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MGVCL Exam Paper (30-07-2021 Shift 3)
The magnetizing inrush current in a transformer is rich in the harmonic component.

second

fifth

third

seventh

second

fifth

third

seventh

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?

0.53 mH and 15.83 pF

0.73 H and 13.85 pF

0.53 H and 15.83 pF

0.73 mH and 13.85 pF

0.53 mH and 15.83 pF

0.73 H and 13.85 pF

0.53 H and 15.83 pF

0.73 mH and 13.85 pF

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

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.

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

MGVCL Exam Paper (30-07-2021 Shift 3) Message ____ means that the data must arrive at the receiver exactly as sent.

MGVCL Exam Paper (30-07-2021 Shift 3) The magnetizing inrush current in a transformer is rich in the harmonic component.

MGVCL Exam Paper (30-07-2021 Shift 3) In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?

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.

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

MGVCL Exam Paper (30-07-2021 Shift 3)
Message ____ means that the data must arrive at the receiver exactly as sent.

MGVCL Exam Paper (30-07-2021 Shift 3)
The magnetizing inrush current in a transformer is rich in the harmonic component.

MGVCL Exam Paper (30-07-2021 Shift 3)
In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?