In the below circuit, X = ?

SSC JE Electrical 2019 with solution SET-1
In the below circuit, X = ?

A + B

B

A.B

A

A + B

B

A.B

A

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SSC JE Electrical 2019 with solution SET-1
At f = _____R – L – C series circuit operates at unity power factor

1/RC

1 ⁄ LC

1/2π√LC

1 ⁄ RLC

1/RC

1 ⁄ LC

1/2π√LC

1 ⁄ RLC

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SSC JE Electrical 2019 with solution SET-1
Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (ωT)/60

Pmech = (2πωT)

Pmech = ωT

Pmech = (2πωT)/60

Pmech = (ωT)/60

Pmech = (2πωT)

Pmech = ωT

Pmech = (2πωT)/60

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SSC JE Electrical 2019 with solution SET-1
If an alternator is operating at unity power factor, then its terminal voltage is

Less than the induced EMF, with positive voltage regulation

Less than the induced EMF, with negative regulation

Greater than the induced EMF, with negative voltage regulation

Equal to the induced EMF, with zero voltage regulation

Less than the induced EMF, with positive voltage regulation

Less than the induced EMF, with negative regulation

Greater than the induced EMF, with negative voltage regulation

Equal to the induced EMF, with zero voltage regulation

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SSC JE Electrical 2019 with solution SET-1
If the field of the synchronous motor is under excited the power factor will be:

Zero

Unity

Lagging

Leading

Zero

Unity

Lagging

Leading

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SSC JE Electrical 2019 with solution SET-1
Please check out below figure.

1 Ω

5 Ω

2 Ω

10 Ω

1 Ω

5 Ω

2 Ω

10 Ω

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 In the below circuit, X = ?

SSC JE Electrical 2019 with solution SET-1 At f = _____R – L – C series circuit operates at unity power factor

SSC JE Electrical 2019 with solution SET-1 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

SSC JE Electrical 2019 with solution SET-1 If an alternator is operating at unity power factor, then its terminal voltage is

SSC JE Electrical 2019 with solution SET-1 If the field of the synchronous motor is under excited the power factor will be:

SSC JE Electrical 2019 with solution SET-1 Please check out below figure.

SSC JE Electrical 2019 with solution SET-1
In the below circuit, X = ?

SSC JE Electrical 2019 with solution SET-1
At f = _____R – L – C series circuit operates at unity power factor

SSC JE Electrical 2019 with solution SET-1
Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

SSC JE Electrical 2019 with solution SET-1
If an alternator is operating at unity power factor, then its terminal voltage is

SSC JE Electrical 2019 with solution SET-1
If the field of the synchronous motor is under excited the power factor will be:

SSC JE Electrical 2019 with solution SET-1
Please check out below figure.