Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 1.15 J. 0.015 J. 0.5 J. 0.15 J. 1.15 J. 0.015 J. 0.5 J. 0.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as flux. permeance. All of these hysteresis. flux. permeance. All of these hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on magnitude of voltage. open circuit. short circuit. depends on polarity. depends on magnitude of voltage. open circuit. short circuit. depends on polarity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is the unit of inductance? Milli- henry. Ohm. Webers / m. Ampere turns. Milli- henry. Ohm. Webers / m. Ampere turns. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 20 mH. 5 mH. 0 mH. 10 mH. 20 mH. 5 mH. 0 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will remain the same. decrease. increase. initially increase and then decrease. remain the same. decrease. increase. initially increase and then decrease. ANSWER DOWNLOAD EXAMIANS APP
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