Electromagnetic induction The direction of induced e.m.f. can be found by Fleming's right hand rule Lenz's law Kirchhoff s voltage law Laplace's law Fleming's right hand rule Lenz's law Kirchhoff s voltage law Laplace's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self inductances of two coils are 8 mH and 18 mH. If the coefficient of coupling is 0.5, the mutual inductance of the coils is 6 mH 36 mH 12 mH 18 mH 6 mH 36 mH 12 mH 18 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to None of the listed here Magnetic field Both of the listed here Voltage across the inductance None of the listed here Magnetic field Both 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 perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field Cuts magnetic flux Lies in a magnetic field Lies perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field Cuts magnetic flux Lies in a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 1.0 2.5 0.5 2.0 1.0 2.5 0.5 2.0 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Powdered iron core Air core Laminated iron core Iron core Powdered iron core Air core Laminated iron core Iron core ANSWER DOWNLOAD EXAMIANS APP