Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Infinite Very low Zero Very high Infinite Very low Zero Very high ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 0.5m. 0.6m. 5.25m. 6.25m. 0.5m. 0.6m. 5.25m. 6.25m. 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 order to minimize loss due to hysteresis the magnetic material should have high resistivity. large coercivity. high hysteresis coefficient. small B-H loop area. high resistivity. large coercivity. high hysteresis coefficient. small B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 10 uz v/m. – 72 πuz v/m. – 360 πuz v/m. – 18 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 360 πuz v/m. – 18 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
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