Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Vector Unit vector Scalar None of these Vector Unit vector Scalar None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a choke. thermocouple. transformer. generator. choke. thermocouple. transformer. generator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is parabola. straight line. hyperbola. ellipse. parabola. straight line. hyperbola. ellipse. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Wave frequency Antenna height Current of the antenna Distance of the point from the antenna Wave frequency Antenna height Current of the antenna Distance of the point from the antenna 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 30 joules. 24 joules. 15 joules. 12 joules. 30 joules. 24 joules. 15 joules. 12 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. None of these. 1000. 100. 500. None of these. 1000. 100. 500. ANSWER DOWNLOAD EXAMIANS APP
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