If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

SSC JE Electrical 2019 with solution SET-1
If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

400 W

1600 W

800 W

1200 W

400 W

1600 W

800 W

1200 W

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

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

Eddy current loss and hysteresis loss

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SSC JE Electrical 2019 with solution SET-1
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

Power consumed by Z1

Zero always

Power consumed by Z2

Power consumed by Z1 and Z2

Power consumed by Z1

Zero always

Power consumed by Z2

Power consumed by Z1 and Z2

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SSC JE Electrical 2019 with solution SET-1
Hysteresis loss is NOT a function of

Frequency

Ambient temperature

The volume of a material

Steinmetz co-efficient of material

Frequency

Ambient temperature

The volume of a material

Steinmetz co-efficient of material

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SSC JE Electrical 2019 with solution SET-1
The average value of a sinusoidal wave is:

√2 × maximum value

2 × maximum value

0.5 × maximum value

0.637 × maximum value

√2 × maximum value

2 × maximum value

0.5 × maximum value

0.637 × maximum value

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SSC JE Electrical 2019 with solution SET-1
The meter constant of an energy meter will be given in:

Revolutions/kWh

Revolutions/kW

kW/Revolutions

kWh/Revolutions

Revolutions/kWh

Revolutions/kW

kW/Revolutions

kWh/Revolutions

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

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 Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

SSC JE Electrical 2019 with solution SET-1 Hysteresis loss is NOT a function of

SSC JE Electrical 2019 with solution SET-1 The average value of a sinusoidal wave is:

SSC JE Electrical 2019 with solution SET-1 The meter constant of an energy meter will be given in:

SSC JE Electrical 2019 with solution SET-1
If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

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
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

SSC JE Electrical 2019 with solution SET-1
Hysteresis loss is NOT a function of

SSC JE Electrical 2019 with solution SET-1
The average value of a sinusoidal wave is:

SSC JE Electrical 2019 with solution SET-1
The meter constant of an energy meter will be given in: