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 normal velocity. phase velocity. group velocity. velocity of propagation. normal velocity. phase velocity. group velocity. velocity of propagation. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Unit vector None of these Scalar Vector Unit vector None of these Scalar Vector ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be perpendicular to the axis. at angle of 45° with the axis. zero. parallel to axis. perpendicular to the axis. at angle of 45° with the axis. zero. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 0.5. 1. 4. 2. 0.5. 1. 4. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.59 m. 1.29 m. 1.39 m. 1.19 m. 1.59 m. 1.29 m. 1.39 m. 1.19 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as lines of force. tubes of indication. magnetic flux. none of them. lines of force. tubes of indication. magnetic flux. none of them. ANSWER DOWNLOAD EXAMIANS APP
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