Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is zero. attractive. none of above. repulsive. zero. attractive. none of above. repulsive. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes 100 μ v/m. None of above. 0. - 100 μ v/m. 100 μ v/m. None of above. 0. - 100 μ v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a transformer. thermocouple. choke. generator. transformer. thermocouple. choke. generator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high hysteresis coefficient. large coercivity. small B-H loop area. high resistivity. high hysteresis coefficient. large coercivity. small B-H loop area. high resistivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 mH. 3.2 H. 32 mH. 3.2 µH. 3.2 mH. 3.2 H. 32 mH. 3.2 µH. ANSWER DOWNLOAD EXAMIANS APP
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