Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation y direction. – z direction. z direction. – y direction. y direction. – z direction. z direction. – y direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 600. 150. 450. 300. 600. 150. 450. 300. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 12t. 12t3. 24t. 4t3. 12t. 12t3. 24t. 4t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory inductance (L2) in parallel without mutual coupling will be 15 mH. 5 mH. 20 mH. 10 mH. 15 mH. 5 mH. 20 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory RF inductor are characterized by high current rating and high resistance. low current rating and high resistance. low current rating and low resistance. high current rating and low resistance. high current rating and high resistance. low current rating and high resistance. low current rating and low resistance. high current rating and low resistance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is hyperbola. straight line. parabola. ellipse. hyperbola. straight line. parabola. ellipse. ANSWER DOWNLOAD EXAMIANS APP
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