Electromagnetic induction The coefficient of coupling between two air core coils depends on Mutual inductance and self inductance of two coils Self-inductance of two coils only Mutual inductance between two coils only None of the listed here Mutual inductance and self inductance of two coils Self-inductance of two coils only Mutual inductance between two coils only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Inductance and capacitance Resistance only Inductance only Capacitance only Inductance and capacitance Resistance only Inductance only Capacitance only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Increasing the field or increasing the current will decrease the force on the conductor. Yes No Yes No 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 12 mH 3 mH 28 mH 24 mH 12 mH 3 mH 28 mH 24 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Laplace's law Kirchhoff s voltage law Fleming's right hand rule Lenz's law Laplace's law Kirchhoff s voltage law Fleming's right hand rule Lenz's law ANSWER DOWNLOAD EXAMIANS APP
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