Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Infinite Very low Zero Very high Infinite Very low Zero Very high 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 None of above. - 100 μ v/m. 0. 100 μ v/m. None of above. - 100 μ v/m. 0. 100 μ v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil remains same irrespective of the frequency. none of these. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. none of these. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field strength of charge Decrease with distance. Increase distance. Decrease with square distance. Increase square distance. Decrease with distance. Increase distance. Decrease with square distance. Increase square distance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s second law first law third law fourth law second law first law third law fourth law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Reactive 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. Apparent power of the circuit is zero. Reactive 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. Apparent power of the circuit is zero. ANSWER DOWNLOAD EXAMIANS APP
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