Electromagnetic induction An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be 20 A/s 16 A/s 4 A/s 12 A/s 20 A/s 16 A/s 4 A/s 12 A/s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Coulomb/volt ampere All of the listed here Volt second per ampere Hennry Coulomb/volt ampere All of the listed here Volt second per ampere Hennry 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 Kirchhoff s voltage law Lenz's law Laplace's law Fleming's right hand rule Kirchhoff s voltage law Lenz's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Quadrupled Halved Doubled Unaffected Quadrupled Halved Doubled Unaffected ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Resistance only Inductance only Inductance and capacitance Capacitance only Resistance only Inductance only Inductance and capacitance Capacitance only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on Mutual inductance between two coils only Mutual inductance and self inductance of two coils Self-inductance of two coils only None of the listed here Mutual inductance between two coils only Mutual inductance and self inductance of two coils Self-inductance of two coils only None of the listed here ANSWER DOWNLOAD EXAMIANS APP