Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 10-6. 2 × 106. 2 × 10-8. 2 × 108. 2 × 10-6. 2 × 106. 2 × 10-8. 2 × 108. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? None of these Only conduction current. Only displacement current. Both conduction and displacement current. None of these Only conduction current. Only displacement current. Both conduction and displacement current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 2. 4. 0.5. 1. 2. 4. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
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 0.15 J. 0.5 J. 1.15 J. 0.015 J. 0.15 J. 0.5 J. 1.15 J. 0.015 J. 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 Newton. all of above. Faraday. Kelvin. Newton. all of above. Faraday. Kelvin. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Capacitor. Inductor. Variable Resistor. Condenser. Capacitor. Inductor. Variable Resistor. Condenser. ANSWER DOWNLOAD EXAMIANS APP
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