Electromagnetic induction The coefficient of coupling between two air core coils depends on Mutual inductance and self inductance of two coils Mutual inductance between two coils only Self-inductance of two coils only None of the listed here Mutual inductance and self inductance of two coils Mutual inductance between two coils only Self-inductance of two coils only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A laminated iron core has reduced eddy-current losses because More wire can be used with less D.C. resistance in coil The magnetic flux is concentrated in the air gap of the core The laminations are stacked vertically The laminations are insulated from each other More wire can be used with less D.C. resistance in coil The magnetic flux is concentrated in the air gap of the core The laminations are stacked vertically The laminations are insulated from each other ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Laplace's law Kirchhoff s voltage law Lenz's law Fleming's right hand rule Laplace's law Kirchhoff s voltage law Lenz's law Fleming's right hand rule ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to Both of the listed here Magnetic field None of the listed here Voltage across the inductance Both of the listed here Magnetic field None of the listed here Voltage across the inductance 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 Cuts magnetic flux Lies perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field Lies in a magnetic field Cuts magnetic flux Lies perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field 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 Faraday Newton Lenz Coulomb Faraday Newton Lenz Coulomb ANSWER DOWNLOAD EXAMIANS APP
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