A magnetic circuit is applied with a current that changes at a rate of 5 A/sec. The circuit has an inductance of 2H, then the self-induced EMF is

SSC JE Electrical 2019 with solution SET-1
A magnetic circuit is applied with a current that changes at a rate of 5 A/sec. The circuit has an inductance of 2H, then the self-induced EMF is

−2.5 V

0.4 V

−10 V

−4 V

−2.5 V

0.4 V

−10 V

−4 V

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SSC JE Electrical 2019 with solution SET-1
Identify the machine shown in the circuit

DC short shunt compound generator

DC short shunt compound motor

DC long shunt compound generator

DC shunt motor

DC short shunt compound generator

DC short shunt compound motor

DC long shunt compound generator

DC shunt motor

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SSC JE Electrical 2019 with solution SET-1
Prevention of interference with neighboring telephone lines can be done by:

Reducing skin effect

Transposing transmission lines

Reducing corona

Using bundled conductors

Reducing skin effect

Transposing transmission lines

Reducing corona

Using bundled conductors

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SSC JE Electrical 2019 with solution SET-1
In the speed-time curve of a train, speed in and time are plotted

km/s; sec

km/h; sec

km/s; hour

km/h; hour

km/s; sec

km/h; sec

km/s; hour

km/h; hour

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SSC JE Electrical 2019 with solution SET-1
The meter constant of an energy meter will be given in:

Revolutions/kW

Revolutions/kWh

kW/Revolutions

kWh/Revolutions

Revolutions/kW

Revolutions/kWh

kW/Revolutions

kWh/Revolutions

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SSC JE Electrical 2019 with solution SET-1
Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

1 A/m

8 A/m

4 A/m

2 A/m

1 A/m

8 A/m

4 A/m

2 A/m

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 A magnetic circuit is applied with a current that changes at a rate of 5 A/sec. The circuit has an inductance of 2H, then the self-induced EMF is

SSC JE Electrical 2019 with solution SET-1 Identify the machine shown in the circuit

SSC JE Electrical 2019 with solution SET-1 Prevention of interference with neighboring telephone lines can be done by:

SSC JE Electrical 2019 with solution SET-1 In the speed-time curve of a train, speed in and time are plotted

SSC JE Electrical 2019 with solution SET-1 The meter constant of an energy meter will be given in:

SSC JE Electrical 2019 with solution SET-1 Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

SSC JE Electrical 2019 with solution SET-1
A magnetic circuit is applied with a current that changes at a rate of 5 A/sec. The circuit has an inductance of 2H, then the self-induced EMF is

SSC JE Electrical 2019 with solution SET-1
Identify the machine shown in the circuit

SSC JE Electrical 2019 with solution SET-1
Prevention of interference with neighboring telephone lines can be done by:

SSC JE Electrical 2019 with solution SET-1
In the speed-time curve of a train, speed in and time are plotted

SSC JE Electrical 2019 with solution SET-1
The meter constant of an energy meter will be given in:

SSC JE Electrical 2019 with solution SET-1
Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A