Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on polarity. short circuit. depends on magnitude of voltage. open circuit. depends on polarity. short circuit. depends on magnitude of voltage. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is zero. increasing towards centre. none of above. decreasing towards centre. zero. increasing towards centre. none of above. decreasing towards centre. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Infinity. Zero. Unity. Depends on strength of current element. Infinity. Zero. Unity. Depends on strength of current element. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 12 joules. 15 joules. 24 joules. 30 joules. 12 joules. 15 joules. 24 joules. 30 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Coulombs law for the force between electric charges most closely resembles with Newtons law of gravitation. Law of conservation of energy. Gauss theorem. Newtons law of motion. Newtons law of gravitation. Law of conservation of energy. Gauss theorem. Newtons law of motion. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 3332.47 N. 1666.22 N. 832.29 N. 6664.8 N. 3332.47 N. 1666.22 N. 832.29 N. 6664.8 N. ANSWER DOWNLOAD EXAMIANS APP
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