Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly more than unity slightly less than unity equal to that ferromagnetic mate rials equal to unity slightly more than unity slightly less than unity equal to that ferromagnetic mate rials equal to unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Magnetic field intensity Flux density Relalative permeability Magnetic potential Magnetic field intensity Flux density Relalative permeability Magnetic potential 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 None of the listed here Remain same Increases Decreases None of the listed here Remain same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant The field of a set of parallel conductors None of the listed here The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant The field of a set of parallel conductors None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is zero reversed in polarity decreased increased zero reversed in polarity decreased increased ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have Both low coercivity and high susceptibility High susceptibility Low coercivity None of the listed here Both low coercivity and high susceptibility High susceptibility Low coercivity None of the listed here ANSWER DOWNLOAD EXAMIANS APP