Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 50 W. 25 W. 20 W. 15 W. 50 W. 25 W. 20 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It was suggested by _____________ that the electric field should be imagined to be divided into tubes of force containing a fixed number of line of force Faraday. Newton. all of above. Kelvin. Faraday. Newton. all of above. Kelvin. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 600. 450. 150. 300. 600. 450. 150. 300. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s second law fourth law third law first law second law fourth law third law first law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of None of these magnetic field. induced emf. rotor rotation. None of these magnetic field. induced emf. rotor rotation. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position - 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. 5 × 10-5 uy N. - 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. 5 × 10-5 uy N. ANSWER DOWNLOAD EXAMIANS APP
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