Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on The number of their turns All of the listed here Cross-sectional area of their common core Permeability of the core The number of their turns All of the listed here Cross-sectional area of their common core Permeability of the core 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 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 12 mH 48 mH 6 mH 24 mH 12 mH 48 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 100 N 400 N 300 N 1000 N 100 N 400 N 300 N 1000 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit elements will oppose the change in circuit current? Inductance All of the listed here Resistance Capacitance Inductance All of the listed here Resistance Capacitance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be 6 H 12 H 9 H 10 H 6 H 12 H 9 H 10 H ANSWER DOWNLOAD EXAMIANS APP