Electromagnetic induction A moving magnetic field will produce the same effect as a conductor that is moving. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 500 ohms 100 ohms 5000 ohms 1000 ohms 500 ohms 100 ohms 5000 ohms 1000 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? All of the listed here Coulomb/volt ampere Volt second per ampere Hennry All of the listed here Coulomb/volt ampere Volt second per ampere Hennry 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 be 48 mH 12 mH 24 mH 3 mH 48 mH 12 mH 24 mH 3 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 Change of number of turns of coil The resistance of magnetic path Variation in coil current Variation in voltage to the coil Change of number of turns of coil The resistance of magnetic path Variation in coil current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it Lies in a magnetic field Lies perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field Cuts magnetic flux Lies in a magnetic field Lies perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field Cuts magnetic flux ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS