A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

SSC JE Electrical 2018 with solution SET-1
A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

450 W

800 W

350 W

300 W

450 W

800 W

350 W

300 W

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SSC JE Electrical 2018 with solution SET-1
Which one of the following is a passive element to an electric circuit?

Voltage source

Resistors

Current source

Battery

Voltage source

Resistors

Current source

Battery

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SSC JE Electrical 2018 with solution SET-1
The process of adding, impurities to a semiconductor is known as___

Instrusion

Polling

Doping

Pugging

Instrusion

Polling

Doping

Pugging

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SSC JE Electrical 2018 with solution SET-1
The output Resistance (in kΩ) of the common base transistor is of the order of

1

100

None of these

50

1

100

None of these

50

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SSC JE Electrical 2018 with solution SET-1
Determine the reluctance (in Amp-turns/Wb) of a coil, when the flux through the coil is 15 Wb and the produced MMF is 30 Amp-turns

1

4

2

3

1

4

2

3

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SSC JE Electrical 2018 with solution SET-1
Determine the magnetic field strength (in A/m) of a material when the intensity of magnetization of the material is 0.084 Amp/m and the magnetic susceptibility of the material is 0.0012

0.7

0.07

70

700

0.7

0.07

70

700

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SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

SSC JE Electrical 2018 with solution SET-1 Which one of the following is a passive element to an electric circuit?

SSC JE Electrical 2018 with solution SET-1 The process of adding, impurities to a semiconductor is known as___

SSC JE Electrical 2018 with solution SET-1 The output Resistance (in kΩ) of the common base transistor is of the order of

SSC JE Electrical 2018 with solution SET-1 Determine the reluctance (in Amp-turns/Wb) of a coil, when the flux through the coil is 15 Wb and the produced MMF is 30 Amp-turns

SSC JE Electrical 2018 with solution SET-1 Determine the magnetic field strength (in A/m) of a material when the intensity of magnetization of the material is 0.084 Amp/m and the magnetic susceptibility of the material is 0.0012

SSC JE Electrical 2018 with solution SET-1
A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

SSC JE Electrical 2018 with solution SET-1
Which one of the following is a passive element to an electric circuit?

SSC JE Electrical 2018 with solution SET-1
The process of adding, impurities to a semiconductor is known as___

SSC JE Electrical 2018 with solution SET-1
The output Resistance (in kΩ) of the common base transistor is of the order of

SSC JE Electrical 2018 with solution SET-1
Determine the reluctance (in Amp-turns/Wb) of a coil, when the flux through the coil is 15 Wb and the produced MMF is 30 Amp-turns

SSC JE Electrical 2018 with solution SET-1
Determine the magnetic field strength (in A/m) of a material when the intensity of magnetization of the material is 0.084 Amp/m and the magnetic susceptibility of the material is 0.0012