Electromagnetic induction Increasing the field or increasing the current will decrease the force on the conductor. No Yes No Yes 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 36 mH 18 mH 12 mH 6 mH 36 mH 18 mH 12 mH 6 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on The number of their turns All of the listed here Cross-sectional area of their common core Permeability of the core The number of their turns All of the listed here Cross-sectional area of their common core Permeability of the core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on Self-inductance of two coils only Mutual inductance and self inductance of two coils Mutual inductance between two coils only None of the listed here Self-inductance of two coils only Mutual inductance and self inductance of two coils Mutual inductance between two coils only None of the listed here 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 Faraday Newton Coulomb Lenz Faraday Newton Coulomb Lenz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Iron core Powdered iron core Laminated iron core Air core Iron core Powdered iron core Laminated iron core Air core ANSWER DOWNLOAD EXAMIANS APP
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