Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger incident wave A stronger reflected wave A standing wave which is not progressing None of these A stronger incident wave A stronger reflected wave A standing wave which is not progressing None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 14.40 V. 1.4 V. 2.88 V. 28.8 V. 14.40 V. 1.4 V. 2.88 V. 28.8 V. 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 1 V. Zero. √ 2 V. 2 V. 1 V. Zero. √ 2 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. False True False True 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. – 2 ux. – uy. 0. 2 ux. – 2 ux. – uy. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 5. 10. 20. 50. 5. 10. 20. 50. ANSWER DOWNLOAD EXAMIANS APP