Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on magnitude of voltage. open circuit. depends on polarity. short circuit. depends on magnitude of voltage. open circuit. depends on polarity. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is ellipse. straight line. hyperbola. parabola. ellipse. straight line. hyperbola. parabola. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to block low frequencies. to pass low frequencies. to pass high frequencies. none of above. to block low frequencies. to pass low frequencies. to pass high frequencies. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electrons. protons. electric field. neutrons. electrons. protons. electric field. neutrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be alternating. pulsating. none of these. steady. alternating. pulsating. none of these. steady. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – uy. – 2 ux. 2 ux. 0. – uy. – 2 ux. 2 ux. 0. ANSWER DOWNLOAD EXAMIANS APP