Electromagnetic Field Theory The effective reactance of an inductive coil increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is 80π coulombs. 10π coulombs. none of these. 40π coulombs. 80π coulombs. 10π coulombs. none of these. 40π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to both (A) and (B). voltage across the inductor. magnetic field. none of them. both (A) and (B). voltage across the inductor. magnetic field. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is coulomb. coulomb / meter2. weber / meter2. farad / meter. coulomb. coulomb / meter2. weber / meter2. farad / meter. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is Q / 6. Q / 6ε. 4πQ / 6ε. Q / 4π. Q / 6. Q / 6ε. 4πQ / 6ε. Q / 4π. 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 5. 10. 20. 50. 5. 10. 20. 50. ANSWER DOWNLOAD EXAMIANS APP