Electromagnetic Field Theory A medium is said to be isotropic when ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to rotating only. Due to both rotating and transformer action. Due to transformer only. Zero. Due to rotating only. Due to both rotating and transformer action. Due to transformer only. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is the unit of inductance? Ampere turns. Milli- henry. Ohm. Webers / m. Ampere turns. Milli- henry. Ohm. Webers / m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be 150 mH. 200 mH. 50 mH. 100 mH. 150 mH. 200 mH. 50 mH. 100 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include Path diversity and frequency diversity Amplitude timing and phase correction Antenna replacement and feed correction Polarization shifting and code diversity Path diversity and frequency diversity Amplitude timing and phase correction Antenna replacement and feed correction Polarization shifting and code diversity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 145. 225. 250. 150. 145. 225. 250. 150. ANSWER DOWNLOAD EXAMIANS APP