Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Halved Quadrupled Unaffected Doubled Halved Quadrupled Unaffected Doubled ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Volt second per ampere Hennry Coulomb/volt ampere All of the listed here Volt second per ampere Hennry Coulomb/volt ampere All of the listed here 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 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 The resistance of magnetic path 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 The number of their turns All of the listed here Cross-sectional area of their common core Permeability of the core The number of their turns All of the listed here Cross-sectional area of their common core 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 12 H 10 H 6 H 9 H 12 H 10 H 6 H 9 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage? 0.1 s 0.5 s 0.2 s None of the listed here 0.1 s 0.5 s 0.2 s None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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