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 transformer only. Due to rotating only. Due to both rotating and transformer action. Zero. Due to transformer only. Due to rotating only. Due to both rotating and transformer action. Zero. 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 Antenna replacement and feed correction Polarization shifting and code diversity Amplitude timing and phase correction Path diversity and frequency diversity Antenna replacement and feed correction Polarization shifting and code diversity Amplitude timing and phase correction 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 0.4 π V. 0.8 π V. 8 π V. Zero. 0.4 π V. 0.8 π V. 8 π V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of induced emf. None of these rotor rotation. magnetic field. induced emf. None of these rotor rotation. magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is Zero. 1 V. √ 2 V. 2 V. Zero. 1 V. √ 2 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 1. 4. 2. 8. 1. 4. 2. 8. ANSWER DOWNLOAD EXAMIANS APP
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