Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Slotted line Tee Directional Coupler Balun Slotted line Tee Directional Coupler Balun ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Any of the above Vertical grounded wire type Horizontal suspended wire type Parabolic reflector type Any of the above Vertical grounded wire type Horizontal suspended wire type Parabolic reflector type ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is 2 ux. – uy. 0. – 2 ux. 2 ux. – uy. 0. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then none of these. transformer is an ideal transformer. it is a perfect transformer. turns ratio of the transformer is also two. none of these. transformer is an ideal transformer. it is a perfect transformer. turns ratio of the transformer is also two. 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/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). 3 Qr/(4 π εo R3). Qr/(4 π εo R3). QR/(4π εo r3). Q/(4 π εo r3). ANSWER DOWNLOAD EXAMIANS APP
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