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

SSC JE Electrical 2019 with solution SET-1
In the circuit shown, the pressure coils of two wattmeters are connected to

R

Y

B

Neutral Wire

R

Y

B

Neutral Wire

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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?

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
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

1

4

0.5

2

1

4

0.5

2

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SSC JE Electrical 2019 with solution SET-1
If admittance Y= a + jb, then a =?

Conductance

Susceptance

Reactance

Resistance

Conductance

Susceptance

Reactance

Resistance

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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 hysteresis loss

Hysteresis loss and frictional loss

Hysteresis loss and copper loss

Eddy current loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and frictional loss

Hysteresis loss and copper loss

Eddy current loss and frictional loss

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SSC JE Electrical 2019 with solution SET-1
P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is:

Square meter per second

Meter per hour

Meter per second

Cubic meter per second

Square meter per second

Meter per hour

Meter per second

Cubic meter per second

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SSC JE Electrical 2019 with solution SET-1

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 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 Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

SSC JE Electrical 2019 with solution SET-1 If admittance Y= a + jb, then a =?

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 P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water 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
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
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

SSC JE Electrical 2019 with solution SET-1
If admittance Y= a + jb, then a =?

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
P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is: