Electromagnetic induction A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage? 0.5 s None of the listed here 0.2 s 0.1 s 0.5 s None of the listed here 0.2 s 0.1 s 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 Faraday Coulomb Newton Lenz Faraday Coulomb ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it Lies in a magnetic field Moves parallel to the direction of the magnetic field Lies perpendicular to the magnetic flux Cuts magnetic flux Lies in a magnetic field Moves parallel to the direction of the magnetic field Lies perpendicular to the magnetic flux Cuts magnetic flux ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on All of the listed here Cross-sectional area of their common core The number of their turns Permeability of the core All of the listed here Cross-sectional area of their common core The number of their turns Permeability of the core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be 24 mH 48 mH 12 mH 6 mH 24 mH 48 mH 12 mH 6 mH 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 1000 N 300 N 100 N 400 N 1000 N 300 N 100 N 400 N ANSWER DOWNLOAD EXAMIANS APP
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