Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 25 V. 50 V. 75 V. 100 V. 25 V. 50 V. 75 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A satellite that simply reflect back the signals from one region of the earth to the other region is known as Geostationary satellite Active satellite Orbiting satellite Passive satellite Geostationary satellite Active satellite Orbiting satellite Passive satellite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Retentivity. Saturation magnetism. Hysteresis. Coercivity. Retentivity. Saturation magnetism. Hysteresis. Coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. none of these. decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = b a = b/4 a = 3b a = 2b a = b a = b/4 a = 3b a = 2b ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to block low frequencies. none of above. to pass high frequencies. to pass low frequencies. to block low frequencies. none of above. to pass high frequencies. to pass low frequencies. ANSWER DOWNLOAD EXAMIANS APP