Electromagnetic Field Theory If the static magnetic flux density is B, then Curl of B = J. Divergence of B = J. Divergence of B = 0. Curl of B = 0. Curl of B = J. Divergence of B = J. Divergence of B = 0. Curl of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 832.29 N. 6664.8 N. 3332.47 N. 1666.22 N. 832.29 N. 6664.8 N. 3332.47 N. 1666.22 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere Q/(4 π εo r3). QR/(4π εo r3). 3 Qr/(4 π εo R3). Qr/(4 π εo R3). Q/(4 π εo r3). QR/(4π εo r3). 3 Qr/(4 π εo R3). Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as mutual inductance. self inductance. capacitance. series aiding inductance. mutual inductance. self inductance. capacitance. series aiding inductance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Any of the above Use of larger section of conductor Providing insulation on conductor Top loading of antenna Any of the above Use of larger section of conductor Providing insulation on conductor Top loading of antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is 5 C. 10 C. 40π C. None of above. 5 C. 10 C. 40π C. None of above. ANSWER DOWNLOAD EXAMIANS APP
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