Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Unity. Depends on strength of current element. Zero. Infinity. Unity. Depends on strength of current element. Zero. Infinity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop antenna is a commonly used for Radar All of these Satellite communication Direction finding Radar All of these Satellite communication Direction finding ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is the unit of inductance? Webers / m. Ohm. Milli- henry. Ampere turns. Webers / m. Ohm. Milli- henry. Ampere turns. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere 3 Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). Qr/(4 π εo R3). 3 Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be zero. at angle of 45° with the axis. perpendicular to the axis. parallel to axis. zero. at angle of 45° with the axis. perpendicular to the axis. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Any of the above Parabolic reflector type Vertical grounded wire type Horizontal suspended wire type Any of the above Parabolic reflector type Vertical grounded wire type Horizontal suspended wire type ANSWER DOWNLOAD EXAMIANS APP
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