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 20. 10. 5. 50. 20. 10. 5. 50. 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 0. None of above. 100 μ v/m. - 100 μ v/m. 0. None of above. 100 μ v/m. - 100 μ v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force and torque on the coil are both zero. the net force is zero but torque is finite. the net force is finite but torque is zero. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is zero but torque is finite. the net force is finite but torque is zero. the net force and torque are both finite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Loss tangent. Attenuation constant. Reflector coefficient. Constitutive parameters. Loss tangent. Attenuation constant. Reflector coefficient. Constitutive parameters. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is Q / 6. Q / 4π. Q / 6ε. 4πQ / 6ε. Q / 6. Q / 4π. Q / 6ε. 4πQ / 6ε. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to No change in the reactance value An increase in the value of reactance Decrease in the value of reactance No change in the impedance value No change in the reactance value An increase in the value of reactance Decrease in the value of reactance No change in the impedance value ANSWER DOWNLOAD EXAMIANS APP