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 × 10-8. 2 × 108. 2 × 106. 2 × 10-6. 2 × 10-8. 2 × 108. 2 × 106. 2 × 10-6. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of neutrons. protons. electrons. electric field. neutrons. protons. electrons. electric field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The static electric field in a conductor is None of these Infinity Zero Unity None of these Infinity Zero Unity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? maximum 0 either 1 or 2 None of these maximum 0 either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its overload capacity. cooling. short time rating. rating. overload capacity. cooling. short time rating. rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when The impedance of one is equal to that of the other The impedance of one is the complex conjugate of the other The impedance of one of the networks is half that of the other None of these The impedance of one is equal to that of the other The impedance of one is the complex conjugate of the other The impedance of one of the networks is half that of the other None of these ANSWER DOWNLOAD EXAMIANS APP
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