Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the normal velocity. velocity of propagation. group velocity. phase velocity. normal velocity. velocity of propagation. group velocity. phase velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as A = cosφ Ir. A = cosφ Ir + sinφ Iφ. A = sinφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir. A = cosφ Ir + sinφ Iφ. A = sinφ Ir. A = cosφ Ir - sinφ Ir. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.59 m. 1.19 m. 1.39 m. 1.29 m. 1.59 m. 1.19 m. 1.39 m. 1.29 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 30° to the direction of field. 75° to the direction of field. 60° to the direction of field. 45° to the direction of field. 30° to the direction of field. 75° to the direction of field. 60° to the direction of field. 45° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include Path diversity and frequency diversity Amplitude timing and phase correction Antenna replacement and feed correction Polarization shifting and code diversity Path diversity and frequency diversity Amplitude timing and phase correction Antenna replacement and feed correction Polarization shifting and code diversity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 4t3. 24t. 12t. 12t3. 4t3. 24t. 12t. 12t3. ANSWER DOWNLOAD EXAMIANS APP
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