Electromagnetic Field Theory A satellite that simply reflect back the signals from one region of the earth to the other region is known as Passive satellite Active satellite Orbiting satellite Geostationary satellite Passive satellite Active satellite Orbiting satellite Geostationary satellite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called dynamically induced emf. virtually induced emf. static induced emf. None of these dynamically induced emf. virtually induced emf. static induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is 2/3. – ½. 1/3. – 1/3. 2/3. – ½. 1/3. – 1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have small B-H loop area. high resistivity. high hysteresis coefficient. large coercivity. small B-H loop area. high resistivity. high hysteresis coefficient. large coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 24 joules. 15 joules. 30 joules. 12 joules. 24 joules. 15 joules. 30 joules. 12 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Surface integral of (j.ds) = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Surface integral of (j.ds) = 0. ANSWER DOWNLOAD EXAMIANS APP