Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Grad div A. Curl curl A. Div curl A. Div grad V. Grad div A. Curl curl A. Div curl A. Div grad V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Marconi antenna Folded dipole None of these Hertz antenna Marconi antenna Folded dipole None of these Hertz antenna 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 12t3. 12t. 4t3. 24t. 12t3. 12t. 4t3. 24t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space Larger frequency than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space Larger frequency than in the free space ANSWER DOWNLOAD EXAMIANS APP
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 – z direction. z direction. – y direction. y direction. – z direction. z direction. – y direction. y direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. ANSWER DOWNLOAD EXAMIANS APP
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