In a synchronous motor running with the fixed excitation, when the load is increased two times, its torque angle becomes approximately

SSC JE Electrical 2018 with solution SET-1
In a synchronous motor running with the fixed excitation, when the load is increased two times, its torque angle becomes approximately

Half

Four Times

Twice

No Change

Half

Four Times

Twice

No Change

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SSC JE Electrical 2018 with solution SET-1
A resistance of 75 Ohms is connected in the shunt of the galvanometer, having an internal resistance of 25 ohms, to convert it into an ammeter. What is the value of current (in A) flowing through the galvanometer, if the total current in the circuit is 5 A?

3.65

2

3.75

2.5

3.65

2

3.75

2.5

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
What is the peak-to-peak value of a sinusoidal voltage (in V) having the average value of 100 V?

314

282.88

141.44

159.98

314

282.88

141.44

159.98

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Which one of the following statement is NOT true about PMMC type instruments?

These instruments are suitable for both AC and DC currents

Stray magnetic errors are small in these types of instruments

The cost of PMMC instruments is high

PMMC type Instruments have uniformly divided scale

These instruments are suitable for both AC and DC currents

Stray magnetic errors are small in these types of instruments

The cost of PMMC instruments is high

PMMC type Instruments have uniformly divided scale

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

14

10

16

12

14

10

16

12

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
On which of the following parameters the eddy current loss occurring in a material does not depend?

Susceptibility

The frequency of variation of flux

Magnetic flux Density

The volume of the material

Susceptibility

The frequency of variation of flux

Magnetic flux Density

The volume of the material

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 In a synchronous motor running with the fixed excitation, when the load is increased two times, its torque angle becomes approximately

SSC JE Electrical 2018 with solution SET-1 What is the peak-to-peak value of a sinusoidal voltage (in V) having the average value of 100 V?

SSC JE Electrical 2018 with solution SET-1 Which one of the following statement is NOT true about PMMC type instruments?

SSC JE Electrical 2018 with solution SET-1 Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

SSC JE Electrical 2018 with solution SET-1 On which of the following parameters the eddy current loss occurring in a material does not depend?

SSC JE Electrical 2018 with solution SET-1
In a synchronous motor running with the fixed excitation, when the load is increased two times, its torque angle becomes approximately

SSC JE Electrical 2018 with solution SET-1
What is the peak-to-peak value of a sinusoidal voltage (in V) having the average value of 100 V?

SSC JE Electrical 2018 with solution SET-1
Which one of the following statement is NOT true about PMMC type instruments?

SSC JE Electrical 2018 with solution SET-1
Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

SSC JE Electrical 2018 with solution SET-1
On which of the following parameters the eddy current loss occurring in a material does not depend?