Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 0.5 2.0 2.5 1.0 0.5 2.0 2.5 1.0 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 Two 300 uH coils in series without mutual coupling have a total inductance of 900 uH 600 uH 1200 uH 300 uH 900 uH 600 uH 1200 uH 300 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will 24 mH 28 mH 12 mH 3 mH 24 mH 28 mH 12 mH 3 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Lenz's law is a consequence of the law of conservation of Energy Induced e.m.f. Charge Induced current Energy Induced e.m.f. Charge Induced current 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