Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the velocity of propagation. group velocity. phase velocity. normal velocity. velocity of propagation. group velocity. phase velocity. normal velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. none of above. perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. none of above. 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. 100 μ v/m. None of above. - 100 μ v/m. 0. 100 μ v/m. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is BIL. zero. Bil sinθ. Bil cosθ. BIL. zero. Bil sinθ. Bil cosθ. 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 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. the net force and torque on the coil are both zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called both A and B. None of these dynamically induced emf. static induced emf. both A and B. None of these dynamically induced emf. static induced emf. ANSWER DOWNLOAD EXAMIANS APP