Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have large coercivity. high hysteresis coefficient. high resistivity. small B-H loop area. large coercivity. high hysteresis coefficient. high resistivity. small B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is Q / 6ε. Q / 4π. 4πQ / 6ε. Q / 6. Q / 6ε. Q / 4π. 4πQ / 6ε. Q / 6. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = b/4 a = b a = 3b a = 2b a = b/4 a = b a = 3b a = 2b ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then it is a perfect transformer. none of these. transformer is an ideal transformer. turns ratio of the transformer is also two. it is a perfect transformer. none of these. transformer is an ideal transformer. turns ratio of the transformer is also two. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of emf. direction of current. direction of magnetic field. direction of electric field. direction of emf. direction of current. direction of magnetic field. direction of electric field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is 0.15 joule. 0.015 joule. 0.015 joule. 1.15 joule. 0.15 joule. 0.015 joule. 0.015 joule. 1.15 joule. ANSWER DOWNLOAD EXAMIANS APP
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