An alternator has 9 slots/pole. What is the value of the pitch factor if each coil spans 8 slot pitches

SSC JE Electrical 2019 with solution SET-1
An alternator has 9 slots/pole. What is the value of the pitch factor if each coil spans 8 slot pitches

Cos 45°

Cos 60°

Cos 30°

Cos 10°

Cos 45°

Cos 60°

Cos 30°

Cos 10°

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SSC JE Electrical 2019 with solution SET-1
Which of the following should be used under no-load conditions?

Isolator

Air-break switch

Circuit breaker

Rewireable fuse

Isolator

Air-break switch

Circuit breaker

Rewireable fuse

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SSC JE Electrical 2019 with solution SET-1
The power factor of an A.C. circuit is equal to

R/Z

Z/R

R/XL

R/XC

R/Z

Z/R

R/XL

R/XC

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SSC JE Electrical 2019 with solution SET-1
Which of the following losses is together called iron losses?

Eddy current loss and frictional loss

Hysteresis loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and copper loss

Eddy current loss and frictional loss

Hysteresis loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and copper loss

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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?

300 W

100 W

500 W

400 W

300 W

100 W

500 W

400 W

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SSC JE Electrical 2019 with solution SET-1
The Norton’s current in the circuit shown below is

12A

120A

4A

2A

12A

120A

4A

2A

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 An alternator has 9 slots/pole. What is the value of the pitch factor if each coil spans 8 slot pitches

SSC JE Electrical 2019 with solution SET-1 Which of the following should be used under no-load conditions?

SSC JE Electrical 2019 with solution SET-1 The power factor of an A.C. circuit is equal to

SSC JE Electrical 2019 with solution SET-1 Which of the following losses is together called iron losses?

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 The Norton’s current in the circuit shown below is

SSC JE Electrical 2019 with solution SET-1
An alternator has 9 slots/pole. What is the value of the pitch factor if each coil spans 8 slot pitches

SSC JE Electrical 2019 with solution SET-1
Which of the following should be used under no-load conditions?

SSC JE Electrical 2019 with solution SET-1
The power factor of an A.C. circuit is equal to

SSC JE Electrical 2019 with solution SET-1
Which of the following losses is together called iron losses?

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
The Norton’s current in the circuit shown below is