Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of spin of electrons spin of nucleus orbital motion of electrons either of these spin of electrons spin of nucleus orbital motion of electrons either of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. triangular circular rectangular None of the listed here triangular circular rectangular None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making None of the listed here Weak magnet Temporary Magnet Permanent magnet None of the listed here Weak magnet Temporary Magnet Permanent magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Resistance of the coil Motion of the magnet Pole strength of the magnet Number of turns of the coil Resistance of the coil Motion of the magnet Pole strength of the magnet Number of turns of the coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Amplify flux Change the direction of magnetic lines Provide a closed path for flux Restore lost flux Amplify flux Change the direction of magnetic lines Provide a closed path for flux Restore lost flux ANSWER DOWNLOAD EXAMIANS APP