Electromagnetic induction Lenz's law is a consequence of the law of conservation of Induced e.m.f. Energy Induced current Charge Induced e.m.f. Energy Induced current Charge ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Laminated iron core Air core Powdered iron core Iron core Laminated iron core Air core Powdered iron core Iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction If current in a conductor increases then according to Lenz's law self-induced voltage will Aid the increasing current Tend to decrease the amount of current Produce current opposite to the increasing current Aid the applied voltage Aid the increasing current Tend to decrease the amount of current Produce current opposite to the increasing current Aid the applied voltage 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 circuit elements will oppose the change in circuit current? Capacitance Resistance All of the listed here Inductance Capacitance Resistance All of the listed here Inductance 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 28 mH 3 mH 12 mH 24 mH 28 mH 3 mH 12 mH 24 mH ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS