Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called static induced emf. None of these dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.8 π V. 0.4 π V. 8 π V. Zero. 0.8 π V. 0.4 π V. 8 π V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is 2/3. – 1/3. – ½. 1/3. 2/3. – 1/3. – ½. 1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Marconi antenna None of these Folded dipole Hertz antenna Marconi antenna None of these Folded dipole Hertz antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has 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 Larger frequency than in the free space Larger wavelength than in the free space Diminishing wavelength than in the free space ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 10-6. 2 × 10-8. 2 × 108. 2 × 106. 2 × 10-6. 2 × 10-8. 2 × 108. 2 × 106. ANSWER DOWNLOAD EXAMIANS APP