Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + B × V). q(E +V × H). q(H + V × E). q(E + V × B). q(E + B × V). q(E +V × H). q(H + V × E). q(E + V × B). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The minimum height of outer atmosphere is 150 km 200 km 100 km 400 km 150 km 200 km 100 km 400 km ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True 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). Qr/(4 π εo R3). Q/(4 π εo r3). 3 Qr/(4 π εo R3). QR/(4π εo r3). Qr/(4 π εo R3). Q/(4 π εo r3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Constitutive parameters. Attenuation constant. Loss tangent. Reflector coefficient. Constitutive parameters. Attenuation constant. Loss tangent. Reflector coefficient. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be BL2I. zero. BIL. BI2L. BL2I. zero. BIL. BI2L. ANSWER DOWNLOAD EXAMIANS APP