SSC JE Electrical Engineering 22nd Jan 2018 Shift-1

Instructions

For the following questions answer them individually

SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 121


Which of the following is the dimensional formula for mutual inductance?

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SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 122


Which ofthe following is the CORRECT expression for hysteresis loss occurring in a material?

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SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 123


Which of the following expression satisfies the Faraday’s law of electromagnetic induction?

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SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 124


Which property of a material opposes the passage of magnetic flux through it?

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SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 125


Determine the intensity of magnetization (in A/m) of a magnet when the pole strength of the magnetis 30 A-m and the pole of the magnetis 2 sq. m.

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SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 126


Whatwill be the produced mmf (in Amp-turns) in a coil, if the coil has 160 turns and carries a current of 0.15 A?

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SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 127


Determine the reluctance (in Amp-turns/Wb) of a coil, when the flux through the coil is 25 Wb and the value of produced mmf is 50 Amp-turns.

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SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 128


Determine the magnetic field intensity (in Amp-turns/m) of 5 metre long coil when the coil has 100 turns and carries a current of 0.6 A.

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SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 129


Determine the self-inductance (in mH) of a 3 m long air-cored solenoid, when the coil has 300 turns and the diameter of the coil 12 cm.

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SSC JE Electrical Engineering 22nd Jan 2018 Shift-1 - Question 130


Determine the current (in A) through a 60 cm long solenoid when the solenoid has 400 turns and the value of magnetic field at the centre of the solenoid is 6 mT.

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