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 be 3 mH 24 mH 48 mH 12 mH 3 mH 24 mH 48 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Reversing the field or the current will reverse the force on the conductor. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Zero resistance and high inductance Infinite resistance and normal inductance Zero resistance and inductance Infinite resistance and zero inductance Zero resistance and high inductance Infinite resistance and normal inductance Zero resistance and inductance Infinite resistance and zero inductance 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 Lenz Newton Coulomb Faraday Lenz Newton Coulomb Faraday ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Laplace's law 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 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ampere turns Ohm Hennry Weber/metre Ampere turns Ohm Hennry Weber/metre ANSWER DOWNLOAD EXAMIANS APP