When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

Induction motor

Induction generator

Synchronous generator

Synchronous motor

Induction motor

Induction generator

Synchronous generator

Synchronous motor

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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
In the circuit shown, the pressure coils of two wattmeters are connected to

Neutral Wire

Y

B

R

Neutral Wire

Y

B

R

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SSC JE Electrical 2019 with solution SET-1
In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

Voltage and current are in phase with each other

Voltage lags current by 30°

Voltage lags current by 45°

Voltage leads current by 45°

Voltage and current are in phase with each other

Voltage lags current by 30°

Voltage lags current by 45°

Voltage leads current by 45°

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SSC JE Electrical 2019 with solution SET-1
In electric traction, the coefficient of adhesion is represented by

λ

Φ

μ

γ

λ

Φ

μ

γ

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SSC JE Electrical 2019 with solution SET-1
What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

400 W

500 W

300 W

100 W

400 W

500 W

300 W

100 W

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 When the supply to the excitation fails, the synchronous generator acts like a/an

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 In the circuit shown, the pressure coils of two wattmeters are connected to

SSC JE Electrical 2019 with solution SET-1 In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

SSC JE Electrical 2019 with solution SET-1 In electric traction, the coefficient of adhesion is represented by

SSC JE Electrical 2019 with solution SET-1 What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

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
In the circuit shown, the pressure coils of two wattmeters are connected to

SSC JE Electrical 2019 with solution SET-1
In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

SSC JE Electrical 2019 with solution SET-1
In electric traction, the coefficient of adhesion is represented by

SSC JE Electrical 2019 with solution SET-1
What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?