SSC JE Electrical Engineering 22nd Jan 2018 Shift-1
For the following questions answer them individually
Which ofthe following is the CORRECT expression for hysteresis loss occurring in a material?
Which of the following expression satisfies the Faraday’s law of electromagnetic induction?
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.
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?
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.
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.
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.
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.
