Electromagnetic induction The direction of induced e.m.f. can be found by Laplace's law Lenz's law Fleming's right hand rule Kirchhoff s voltage law Laplace's law Lenz's law Fleming's right hand rule Kirchhoff s voltage law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from None of the listed here Both Hysteresis losses & Eddy current losses Hysteresis losses Eddy current losses None of the listed here Both Hysteresis losses & Eddy current losses Hysteresis losses Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Resistance Inductance Condenser Variable resistor Resistance Inductance Condenser Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Powdered iron core Laminated iron core Iron core Air core Powdered iron core Laminated iron core Iron core Air core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Higher the self-inductance of a coil, Lower the e.m.f. induced Lesser its weber-turns Greater the flux produced by it Longer the delay in establishing steady current through it Lower the e.m.f. induced Lesser its weber-turns Greater the flux produced by it Longer the delay in establishing steady current through it ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 15 H 20 H 10 H 5 H 15 H 20 H 10 H 5 H ANSWER DOWNLOAD EXAMIANS APP
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