Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of attraction a downward force a force of repulsion no force a force of attraction a downward force a force of repulsion no force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts ferromagnetic substances and repels all others Attracts some substances and repels others Attracts only ferromagnetic substances Attracts all paramagnetic substances and repels others Attracts ferromagnetic substances and repels all others Attracts some substances and repels others Attracts only ferromagnetic substances Attracts all paramagnetic substances and repels others ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Field strength Inductance Flux density Flux Field strength Inductance Flux density Flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is voltage current an increasing current decreasing current voltage current an increasing current decreasing current 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 Susceptibility is positive for ferromagnetic substances non-magnetic substances diamagnetic substances None of these ferromagnetic substances non-magnetic substances diamagnetic substances None of these ANSWER DOWNLOAD EXAMIANS APP
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