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 A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 5000 ohms 100 ohms 500 ohms 1000 ohms 5000 ohms 100 ohms 500 ohms 1000 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.0 2.5 0.5 1.0 2.0 2.5 0.5 1.0 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 Higher the self-inductance of a coil, Lower the e.m.f. induced Greater the flux produced by it Lesser its weber-turns Longer the delay in establishing steady current through it Lower the e.m.f. induced Greater the flux produced by it Lesser its weber-turns Longer the delay in establishing steady current through it ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Amount of flux cut Amount of flux linkages Flux density of the magnetic field Rate of change of flux-linkages Amount of flux cut Amount of flux linkages Flux density of the magnetic field Rate of change of flux-linkages ANSWER DOWNLOAD EXAMIANS APP
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