Electromagnetic Field Theory A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as A = cosφ Ir + sinφ Iφ. A = sinφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir. A = cosφ Ir + sinφ Iφ. A = sinφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir. 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 15 joules. 30 joules. 12 joules. 24 joules. 15 joules. 30 joules. 12 joules. 24 joules. 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. turns ratio of the transformer is also two. transformer is an ideal transformer. it is a perfect transformer. none of these. turns ratio of the transformer is also two. transformer is an ideal transformer. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? Balun transformer A half wave line A quarter wave line Short-circuited stub Balun transformer A half wave line A quarter wave line Short-circuited stub ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very low Very high Infinite Zero Very low Very high Infinite Zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s first law second law fourth law third law first law second law fourth law third law ANSWER DOWNLOAD EXAMIANS APP
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