Electromagnetic induction Which of the following inductor will have the least eddy current losses? Laminated iron core Powdered iron core Iron core Air core Laminated iron core Powdered iron core Iron core Air core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Weber/metre Ampere turns Hennry Ohm Weber/metre Ampere turns Hennry Ohm ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on Permeability of the core Cross-sectional area of their common core The number of their turns All of the listed here Permeability of the core Cross-sectional area of their common core The number of their turns All of the listed here 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 12 mH 3 mH 28 mH 24 mH 12 mH 3 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 90 N 120 N 60 N 30 N 90 N 120 N 60 N 30 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla 400 N 300 N 1000 N 100 N 400 N 300 N 1000 N 100 N ANSWER DOWNLOAD EXAMIANS APP
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