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. 15 joules. 12 joules. 24 joules. 30 joules. 15 joules. 12 joules. 24 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to No change in the impedance value No change in the reactance value Decrease in the value of reactance An increase in the value of reactance No change in the impedance value No change in the reactance value Decrease in the value of reactance An increase in the value of reactance 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 = 0. n = - k. n = K. n. k = 0. n × k = 0. n = - k. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 8. 2. 1. 4. 8. 2. 1. 4. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Retardation Accelerating Lagging the current Oscillating Retardation Accelerating Lagging the current Oscillating ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 7640 N. 76400 N. 764 N. 76.4 N. 7640 N. 76400 N. 764 N. 76.4 N. ANSWER DOWNLOAD EXAMIANS APP
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