Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path zero higher lower little zero higher lower little ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Restore lost flux Change the direction of magnetic lines Provide a closed path for flux Amplify flux Restore lost flux Change the direction of magnetic lines Provide a closed path for flux Amplify flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts all paramagnetic substances and repels others Attracts ferromagnetic substances and repels all others Attracts only ferromagnetic substances Attracts some substances and repels others Attracts all paramagnetic substances and repels others Attracts ferromagnetic substances and repels all others Attracts only ferromagnetic substances Attracts some substances and repels others ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly less than unity equal to unity slightly more than unity equal to that ferromagnetic mate rials slightly less than unity equal to unity slightly more than unity equal to that ferromagnetic mate rials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Weak magnet Temporary Magnet None of the listed here Permanent magnet Weak magnet Temporary Magnet None of the listed here Permanent magnet ANSWER DOWNLOAD EXAMIANS APP
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