Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Kirchhoff s voltage law Fleming's right hand rule Laplace's law Lenz's law Kirchhoff s voltage law Fleming's right hand rule Laplace's law Lenz's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The law that the induced e.m.f. and current always oppose the cause producing them is due to Newton Lenz Coulomb Faraday Newton Lenz Coulomb Faraday ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Unchanged inductance Reduced inductance Increased inductance Zero inductance Unchanged inductance Reduced inductance Increased inductance Zero inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla 300 N 1000 N 100 N 400 N 300 N 1000 N 100 N 400 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on The number of their turns Cross-sectional area of their common core All of the listed here Permeability of the core The number of their turns Cross-sectional area of their common core All of the listed here Permeability of the core ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS