Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 75 V. 50 V. 150 V. 37.5 V. 75 V. 50 V. 150 V. 37.5 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position 5 × 10-5 uz N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uy N. 5 × 10-5 uz N. 5 × 10-5 ux N. - 5 × 10-5 uy N. 5 × 10-5 uy N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is parabola. straight line. hyperbola. ellipse. parabola. straight line. hyperbola. ellipse. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by, V × D V × D² V / D V² / D V × D V × D² V / D V² / D 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. normal velocity. phase velocity. group velocity. velocity of propagation. normal velocity. phase velocity. group velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called static induced emf. none of these dynamically induced emf. virtually induced emf. static induced emf. none of these dynamically induced emf. virtually induced emf. ANSWER DOWNLOAD EXAMIANS APP
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