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 36 mH 38 mH 30 mH 48 mH 36 mH 38 mH 30 mH 48 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be 9 H 12 H 6 H 10 H 9 H 12 H 6 H 10 H 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 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 Variation in voltage to the coil ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on Permeability of the core All of the listed here The number of their turns Cross-sectional area of their common core Permeability of the core All of the listed here The number of their turns Cross-sectional area of their common core 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 5 H 10 H 15 H 20 H 5 H 10 H ANSWER DOWNLOAD EXAMIANS APP
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