Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 4 A / s. 64 A / s. 16 A / s. 32 A / s. 4 A / s. 64 A / s. 16 A / s. 32 A / s. ANSWER DOWNLOAD EXAMIANS APP
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 × 10-6. 2 × 106. 2 × 108. 2 × 10-8. 2 × 10-6. 2 × 106. 2 × 108. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A standing wave which is not progressing A stronger reflected wave None of these A stronger incident wave A standing wave which is not progressing A stronger reflected wave None of these A stronger incident wave ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? Point-to-point communication TV broadcast All of these Radio astronomy Point-to-point communication TV broadcast All of these Radio astronomy ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? A half wave line Short-circuited stub A quarter wave line Balun transformer A half wave line Short-circuited stub A quarter wave line Balun transformer ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is zero. finite. none of tha above. infinite. zero. finite. none of tha above. infinite. ANSWER DOWNLOAD EXAMIANS APP
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