Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Zero. Infinity. Depends on strength of current element. Unity. Zero. Infinity. Depends on strength of current element. Unity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Accelerating Retardation Oscillating Lagging the current Accelerating Retardation Oscillating Lagging the current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Only conduction current. Only displacement current. Both conduction and displacement current. None of these Only conduction current. Only displacement current. Both conduction and displacement current. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is none of these. DC and AC both. DC. AC. none of these. DC and AC both. DC. AC. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 10T. 5T. 2.5T. 0.5T. 10T. 5T. 2.5T. 0.5T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following represents ohms law J = σE All of these I = GV V = RI J = σE All of these I = GV V = RI ANSWER DOWNLOAD EXAMIANS APP
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