Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 15 N. 20 N. 7.5 N. 3.75 N. 15 N. 20 N. 7.5 N. 3.75 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Log-periodic Conical horn Square loop Folded dipole Log-periodic Conical horn Square loop Folded dipole ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electric field. protons. electrons. neutrons. electric field. protons. electrons. neutrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? The potential difference between two points is zero. The work done in a closed path inside the fields is zero. If the curl of E is identically zero. If is gradient of a scalar potential. The potential difference between two points is zero. The work done in a closed path inside the fields is zero. If the curl of E is identically zero. If is gradient of a scalar potential. 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. dynamically induced emf. None of these static induced emf. both A and B. dynamically induced emf. None of these static induced emf. ANSWER DOWNLOAD EXAMIANS APP
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. phase velocity. normal velocity. group velocity. velocity of propagation. phase velocity. normal velocity. group velocity. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS