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 None of the listed here Remain same Decreases Increases None of the listed here Remain same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet Hammering Heating All of the listed here By inductive action of another magnet Hammering Heating All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is 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 The field of a set of parallel conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 3,125 V 2,000 V 31.25 V 1,000 V 3,125 V 2,000 V 31.25 V 1,000 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have High susceptibility Both low coercivity and high susceptibility Low coercivity None of the listed here High susceptibility Both low coercivity and high susceptibility Low coercivity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Aluminium Iron Moving Charges Copper Aluminium Iron Moving Charges Copper ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS