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
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?

500 W

100 W

300 W

400 W

500 W

100 W

300 W

400 W

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SSC JE Electrical 2019 with solution SET-1
With the current direction marked in the circuit shown, the net voltage applied is

(V2 − V1)

V1

−(V2 − V1)

V2

(V2 − V1)

V1

−(V2 − V1)

V2

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SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

P = 8, f = 50 Hz

P = 12, f = 60 Hz

P = 10, f = 60 Hz

P= 12, f = 50 Hz

P = 8, f = 50 Hz

P = 12, f = 60 Hz

P = 10, f = 60 Hz

P= 12, f = 50 Hz

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

1/2π√LC

1 ⁄ RLC

1 ⁄ LC

1/RC

1/2π√LC

1 ⁄ RLC

1 ⁄ LC

1/RC

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SSC JE Electrical 2019 with solution SET-1
The annual load factor of a generation station is equal to

(No. of units actually supplied per month) ⁄ (Max. possible demand × 8760)

(No. of units actually supplied per year) ⁄ (Max. possible demand × 8760)

(No. of units actually supplied per year) ⁄ (Max. possible demand)

(No. of units actually supplied per month) ⁄ (Max. possible demand × 8760)

(No. of units actually supplied per year) ⁄ (Max. possible demand × 8760)

(No. of units actually supplied per year) ⁄ (Max. possible demand)

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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:

Leading

Unity

Lagging

Zero

Leading

Unity

Lagging

Zero

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SSC JE Electrical 2019 with solution SET-1

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 With the current direction marked in the circuit shown, the net voltage applied is

SSC JE Electrical 2019 with solution SET-1 A synchronous motor runs at 600rpm, which of the following case is true?

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 The annual load factor of a generation station is equal to

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
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
With the current direction marked in the circuit shown, the net voltage applied is

SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

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
The annual load factor of a generation station is equal to

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