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 4t3. 24t. 12t. 12t3. 4t3. 24t. 12t. 12t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Diminishing wavelength than in the free space Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height No relation Less than Higher than Equal to No relation Less than Higher than Equal to ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to pass high frequencies. none of above. to block low frequencies. to pass low frequencies. to pass high frequencies. none of above. to block low frequencies. to pass low frequencies. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Retentivity. Coercivity. Hysteresis. Saturation magnetism. Retentivity. Coercivity. Hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 0.88 mm. 1.32 mm. 1.77 mm. 0. 0.88 mm. 1.32 mm. 1.77 mm. 0. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS