Electromagnetic Field Theory For DC voltage an inductor is virtually a short circuit. depends on polarity. depends on magnitude of voltage. open circuit. short circuit. depends on polarity. depends on magnitude of voltage. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Condenser. Variable Resistor. Capacitor. Inductor. Condenser. Variable Resistor. Capacitor. Inductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is same as that produced by one plate. double the field produced by one plate. zero. dependent on coordinates of field points. same as that produced by one plate. double the field produced by one plate. zero. dependent on coordinates of field points. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called static induced emf. both A and B. dynamically induced emf. None of these static induced emf. both A and B. dynamically induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Unity. Zero. Infinity. Depends on strength of current element. Unity. Zero. Infinity. Depends on strength of current element. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Coulombs law for the force between electric charges most closely resembles with Gauss theorem. Newtons law of gravitation. Law of conservation of energy. Newtons law of motion. Gauss theorem. Newtons law of gravitation. Law of conservation of energy. Newtons law of motion. ANSWER DOWNLOAD EXAMIANS APP