Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Stainless steel None of the listed here Soft iron Hardened steel Stainless steel None of the listed here Soft iron Hardened steel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path higher zero lower little higher zero lower little ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Increases None of the listed here Decreases Remain same Increases None of the listed here Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 2.4 AT 240 AT 24 AT 0.24 AT 2.4 AT 240 AT 24 AT 0.24 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Number of turns of the coil Pole strength of the magnet Resistance of the coil Motion of the magnet Number of turns of the coil Pole strength of the magnet Resistance of the coil Motion of the magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Rubbing with another magnet The use of permanent magnet Placing it inside a coil carrying current Induction Rubbing with another magnet The use of permanent magnet Placing it inside a coil carrying current Induction ANSWER DOWNLOAD EXAMIANS APP
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