Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? The work done in a closed path inside the fields is zero. The potential difference between two points is zero. If is gradient of a scalar potential. If the curl of E is identically zero. The work done in a closed path inside the fields is zero. The potential difference between two points is zero. If is gradient of a scalar potential. If the curl of E is identically zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be 113.04 μH. 3.768 μH. 1.1304 μH. 37.68 μH. 113.04 μH. 3.768 μH. 1.1304 μH. 37.68 μH. ANSWER DOWNLOAD EXAMIANS APP
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 the surface charge density. Equal to volume change density. Zero. Equal to total charge enclosed by the surface. Equal to the surface charge density. Equal to volume change density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. None of these. 500. 100. 1000. None of these. 500. 100. 1000. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the square of the distance between them. directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The skip distance is the maximum distance upto which ionospheric reflection is possible. False True False True ANSWER DOWNLOAD EXAMIANS APP