Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Resistance Condenser Inductance Variable resistor Resistance Condenser Inductance Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Iron core Air core Powdered iron core Laminated iron core Iron core Air core Powdered iron core Laminated iron core 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 perpendicular to the magnetic flux Lies in a magnetic field Cuts magnetic flux Moves parallel to the direction of the magnetic field Lies perpendicular to the magnetic flux Lies in a magnetic field Cuts magnetic flux Moves parallel to the direction of the magnetic field 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
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 24 mH 3 mH 12 mH 28 mH 24 mH 3 mH 12 mH 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 120 N 90 N 60 N 30 N 120 N 90 N 60 N 30 N ANSWER DOWNLOAD EXAMIANS APP
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