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/2π. ω/4π. ω / π. ω. ω/2π. ω/4π. ω / π. ω. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is 2 ux. 0. – uy. – 2 ux. 2 ux. 0. – uy. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 volts. 106 Amp. 106 Amp/sec. 106 volts/sec. 106 volts. 106 Amp. 106 Amp/sec. 106 volts/sec. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 4.5 3.5 2.5 1.5 4.5 3.5 2.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes - 100 μ v/m. 0. None of above. 100 μ v/m. - 100 μ v/m. 0. None of above. 100 μ v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 2.52 V. 2.62 V. 1.31 V. 1.26 V. 2.52 V. 2.62 V. 1.31 V. 1.26 V. ANSWER DOWNLOAD EXAMIANS APP
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