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 48 mH 30 mH 36 mH 38 mH 48 mH 30 mH 36 mH 38 mH 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 Variation in voltage to the coil The resistance of magnetic path Variation in coil current Change of number of turns of coil Variation in voltage to the coil The resistance of magnetic path Variation in coil current Change of number of turns of coil ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? All of the listed here Volt second per ampere Hennry Coulomb/volt ampere All of the listed here Volt second per ampere Hennry Coulomb/volt ampere ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Increasing the field or increasing the current will decrease the force on the conductor. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be 24 mH 12 mH 6 mH 48 mH 24 mH 12 mH 6 mH 48 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as Series aiding inductance Self-inductance Capacitance Mutual inductance Series aiding inductance Self-inductance Capacitance Mutual inductance ANSWER DOWNLOAD EXAMIANS APP
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