Which one of the following is the S.I unit of the magnetic field strength?

SSC JE Electrical 2018 with solution SET-1
Which one of the following is the S.I unit of the magnetic field strength?

Weber

Ampere-Meter

Tesla

Ampere/Meter

Weber

Ampere-Meter

Tesla

Ampere/Meter

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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?

2

2.5

3.75

3.65

2

2.5

3.75

3.65

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SSC JE Electrical 2018 with solution SET-1
Calculate the induced emf (in V) in the inductor of a series RL circuit having the inductance of 1.8 H and resistance of 90 Ohms after 20 milli-seconds when supplied by a 20 V DC source

7.36

10.03

20

14.76

7.36

10.03

20

14.76

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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

16

14

10

12

16

14

10

12

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

The cost of PMMC instruments is high

These instruments are suitable for both AC and DC currents

Stray magnetic errors are small in these types of instruments

PMMC type Instruments have uniformly divided scale

The cost of PMMC instruments is high

These instruments are suitable for both AC and DC currents

Stray magnetic errors are small in these types of instruments

PMMC type Instruments have uniformly divided scale

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SSC JE Electrical 2018 with solution SET-1
Which of the following is used for the measurement of the insulation resistance?

Wattmeter

Voltmeter

Megger

Ammeter

Wattmeter

Voltmeter

Megger

Ammeter

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SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 Which one of the following is the S.I unit of the magnetic field strength?

SSC JE Electrical 2018 with solution SET-1 Calculate the induced emf (in V) in the inductor of a series RL circuit having the inductance of 1.8 H and resistance of 90 Ohms after 20 milli-seconds when supplied by a 20 V DC source

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 Which one of the following statement is NOT true about PMMC type instruments?

SSC JE Electrical 2018 with solution SET-1 Which of the following is used for the measurement of the insulation resistance?

SSC JE Electrical 2018 with solution SET-1
Which one of the following is the S.I unit of the magnetic field strength?

SSC JE Electrical 2018 with solution SET-1
Calculate the induced emf (in V) in the inductor of a series RL circuit having the inductance of 1.8 H and resistance of 90 Ohms after 20 milli-seconds when supplied by a 20 V DC source

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
Which one of the following statement is NOT true about PMMC type instruments?

SSC JE Electrical 2018 with solution SET-1
Which of the following is used for the measurement of the insulation resistance?