Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n = - k. n = K. n × k = 0. n. k = 0. n = - k. n = K. n × k = 0. n. k = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Antenna height Distance of the point from the antenna Current of the antenna Wave frequency Antenna height Distance of the point from the antenna Current of the antenna Wave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as magnetic flux. lines of force. tubes of indication. none of them. magnetic flux. lines of force. tubes of indication. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 24 mH. 12 mH. 48 mH. 3 mH. 24 mH. 12 mH. 48 mH. 3 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 2 A/m. 1 A/m. 4 A/m. 8 A/m. 2 A/m. 1 A/m. 4 A/m. 8 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 832.29 N. 6664.8 N. 1666.22 N. 3332.47 N. 832.29 N. 6664.8 N. 1666.22 N. 3332.47 N. ANSWER DOWNLOAD EXAMIANS APP