Magnetism and Electromagnetism The use of permanent magnets is. not made in Transformers Loud speakers None of the listed here Energy meters Transformers Loud speakers None of the listed here Energy meters ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have Large area of B-H loop High co-ercivity and high retentivity High permeability and low hysteresis loss High co-ercivity and low density Large area of B-H loop High co-ercivity and high retentivity High permeability and low hysteresis loss High co-ercivity and low density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/2 2M M M/4 M/2 2M M M/4 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Tungsten Aluminium Copper Nickel Tungsten Aluminium Copper 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 Remain same Increases None of the listed here Decreases Remain same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is The field of a set of parallel conductors The field in which all lines of magnetic flux are parallel and equidistant The field of a single conductor None of the listed here The field of a set of parallel conductors The field in which all lines of magnetic flux are parallel and equidistant The field of a single conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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