Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Loss coefficient Front to back ratio None of these Transmission efficiency Loss coefficient Front to back ratio None of these Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. 1000. 100. 500. None of these. 1000. 100. 500. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 10. 50. 5. 20. 10. 50. 5. 20. ANSWER DOWNLOAD EXAMIANS APP
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 16 A / s. 32 A / s. 64 A / s. 4 A / s. 16 A / s. 32 A / s. 64 A / s. 4 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Actual power of the circuit is zero. Reactive power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Actual power of the circuit is zero. Reactive power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as None Phase shifter An attenuator An isolator None Phase shifter An attenuator An isolator ANSWER DOWNLOAD EXAMIANS APP
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