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? None of the listed here 0.1 s 0.5 s 0.2 s None of the listed here 0.1 s 0.5 s 0.2 s 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 Moves parallel to the direction of the magnetic field Lies perpendicular to the magnetic flux Cuts magnetic flux Lies in a magnetic field Moves parallel to the direction of the magnetic field Lies perpendicular to the magnetic flux Cuts magnetic flux Lies in a magnetic field 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 48 mH 6 mH 24 mH 12 mH 48 mH 6 mH 24 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Resistance Variable resistor Condenser Inductance Resistance Variable resistor Condenser Inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Halved Doubled Quadrupled Unaffected Halved Doubled Quadrupled Unaffected ANSWER DOWNLOAD EXAMIANS APP
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