Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Zero. Equal to total charge enclosed by the surface. Equal to volume change density. Equal to the surface charge density. Zero. Equal to total charge enclosed by the surface. Equal to volume change density. Equal to the surface charge density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is ellipse. straight line. parabola. hyperbola. ellipse. straight line. parabola. hyperbola. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Fleming Maxwell Lenz Faraday Fleming Maxwell Lenz Faraday ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 10. 20. 50. 5. 10. 20. 50. 5. 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 none of these. alternating. pulsating. steady. none of these. alternating. pulsating. steady. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. ANSWER DOWNLOAD EXAMIANS APP