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. 24t. 4t3. 12t3. 12t. 24t. 4t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Larger wavelength than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger frequency than in the free space Larger wavelength than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the rate of change of flux linkage. amount of flux linkage. flux density of the magnetic field. amount of flux cut. rate of change of flux linkage. amount of flux linkage. flux density of the magnetic field. amount of flux cut. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω/2π. ω/4π. ω / π. ω. ω/2π. ω/4π. ω / π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is 0 C/m3. - 4 C/m3. - 8 C/m3. - 2 C/m3. 0 C/m3. - 4 C/m3. - 8 C/m3. - 2 C/m3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. True False True False ANSWER DOWNLOAD EXAMIANS APP
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