Electromagnetic Field Theory For an inductor, current is proportional to both (A) and (B). magnetic field. voltage across the inductor. none of them. both (A) and (B). magnetic field. voltage across the inductor. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the None of these Power radiated per unit solid angle in that direction Energy radiated per square metre Power radiated per square metre None of these Power radiated per unit solid angle in that direction Energy radiated per square metre Power radiated per square metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides can handle large power at UHF and microwaves At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides can handle large power at UHF and microwaves ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to (potential gradient)2. potential gradient. (potential gradient)1/3. (potential gradient)1/2. (potential gradient)2. potential gradient. (potential gradient)1/3. (potential gradient)1/2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will decrease. initially increase and then decrease. remain the same. increase. decrease. initially increase and then decrease. remain the same. increase. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. ANSWER DOWNLOAD EXAMIANS APP