Electromagnetic induction The coefficient of coupling between two air core coils depends on None of the listed here Self-inductance of two coils only Mutual inductance between two coils only Mutual inductance and self inductance of two coils None of the listed here Self-inductance of two coils only Mutual inductance between two coils only Mutual inductance and self inductance of two coils 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 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 Variation in coil current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly 60 N 30 N 120 N 90 N 60 N 30 N 120 N 90 N 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? 0.2 s 0.5 s None of the listed here 0.1 s 0.2 s 0.5 s None of the listed here 0.1 s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will 28 mH 3 mH 12 mH 24 mH 28 mH 3 mH 12 mH 24 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Coulomb/volt ampere Volt second per ampere Hennry All of the listed here Coulomb/volt ampere Volt second per ampere Hennry All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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