Electromagnetic Field Theory The tubes of force within the magnetic material are known as tubes of indication. magnetic flux. none of them. lines of force. tubes of indication. magnetic flux. none of them. lines of force. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to transformer only. Due to rotating only. Zero. Due to both rotating and transformer action. Due to transformer only. Due to rotating only. Zero. Due to both rotating and transformer action. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position 5 × 10-5 uy N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 uy N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uz N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n = - k. n × k = 0. n = K. n. k = 0. n = - k. n × k = 0. n = K. 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 Distance of the point from the antenna Wave frequency Current of the antenna Antenna height Distance of the point from the antenna Wave frequency Current of the antenna Antenna height ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside on outer surface in both. on outer surface in hollow and throughout in solid on outer surface in hollow and throughout in solid. None of above. on outer surface in both. on outer surface in hollow and throughout in solid on outer surface in hollow and throughout in solid. None of above. ANSWER DOWNLOAD EXAMIANS APP