Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 8 V. 60 V. 40 V. 80 V. 8 V. 60 V. 40 V. 80 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watts/metre2. Watt × metre. Watt × metre2. Watt/metre. Watts/metre2. Watt × metre. Watt × metre2. Watt/metre. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is equal to the co-energy. Co-energy is zero. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? None of these Charge per unit area becomes very high for lightening to discharge Rain drops may not collect Dust particles may not accumulate None of these Charge per unit area becomes very high for lightening to discharge Rain drops may not collect Dust particles may not accumulate ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Folded dipole Square loop Log-periodic Conical horn Folded dipole Square loop Log-periodic Conical horn ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is repulsive. attractive. zero. none of above. repulsive. attractive. zero. none of above. ANSWER DOWNLOAD EXAMIANS APP
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