Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity equal to that of disc and in the opposite direction. less than that of disc but in opposite direction. less than that of disc and in the same direction. equal to that of disc and in the same direction. equal to that of disc and in the opposite direction. less than that of disc but in opposite direction. less than that of disc and in the same direction. equal to that of disc and in the same direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 50. 1/75. 100. 75. 50. 1/75. 100. 75. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is coulomb. weber / meter2. coulomb / meter2. farad / meter. coulomb. weber / meter2. coulomb / meter2. farad / meter. 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 √ 2 V. Zero. 1 V. 2 V. √ 2 V. Zero. 1 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called Polarisation Scattering Absorption Dispersion Polarisation Scattering Absorption Dispersion ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as magnetic flux. none of them. lines of force. tubes of indication. magnetic flux. none of them. lines of force. tubes of indication. ANSWER DOWNLOAD EXAMIANS APP