Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on All of the listed here Cross-sectional area of their common core The number of their turns Permeability of the core All of the listed here Cross-sectional area of their common core The number of their turns Permeability of the core ANSWER DOWNLOAD EXAMIANS APP
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 12 A/s 16 A/s 4 A/s 20 A/s 12 A/s 16 A/s 4 A/s 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 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 24 mH 48 mH 3 mH 12 mH 24 mH 48 mH 3 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Air core Laminated iron core Iron core Powdered iron core Air core Laminated iron core Iron core Powdered iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit elements will oppose the change in circuit current? Capacitance All of the listed here Inductance Resistance Capacitance All of the listed here Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
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