Electromagnetic induction Which of the following inductor will have the least eddy current losses? Iron core Air core Laminated iron core Powdered iron core Iron core Air core Laminated iron core Powdered iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 300 uH 600 uH 900 uH 1200 uH 300 uH 600 uH 900 uH 1200 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ohm Ampere turns Weber/metre Hennry Ohm Ampere turns Weber/metre Hennry 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 10 H 5 H 15 H 20 H 10 H 5 H 15 H 20 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Amount of flux linkages Amount of flux cut Rate of change of flux-linkages Flux density of the magnetic field Amount of flux linkages Amount of flux cut Rate of change of flux-linkages Flux density of the magnetic field 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 Newton Coulomb Lenz Faraday Newton Coulomb Lenz Faraday ANSWER DOWNLOAD EXAMIANS APP