Electromagnetic induction Which of the following is unit of inductance? Hennry Ampere turns Ohm Weber/metre Hennry Ampere turns Ohm Weber/metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Reversing the field or the current will reverse the force on the conductor. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A laminated iron core has reduced eddy-current losses because The laminations are insulated from each other More wire can be used with less D.C. resistance in coil The magnetic flux is concentrated in the air gap of the core The laminations are stacked vertically The laminations are insulated from each other More wire can be used with less D.C. resistance in coil The magnetic flux is concentrated in the air gap of the core The laminations are stacked vertically ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Volt second per ampere All of the listed here Coulomb/volt ampere Hennry Volt second per ampere All of the listed here Coulomb/volt ampere Hennry ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by The resistance of magnetic path Variation in voltage to the coil Variation in coil current Change of number of turns of coil The resistance of magnetic path Variation in voltage to the coil Variation in coil current Change of number of turns of coil ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have inductances of 8 mH and 18 mH and a coefficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be 38 mH 48 mH 36 mH 30 mH 38 mH 48 mH 36 mH 30 mH ANSWER DOWNLOAD EXAMIANS APP
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