Magnetism and Electromagnetism A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be BLI BLI2 Zero None of the listed here BLI BLI2 Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts all paramagnetic substances and repels others Attracts some substances and repels others Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts all paramagnetic substances and repels others Attracts some substances and repels others ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will be zero will depend on the amount of e.m.f. applied will be infinite will depend on the radius of the circle will be zero will depend on the amount of e.m.f. applied will be infinite will depend on the radius of the circle ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Brass Soft iron Aluminium Copper Brass Soft iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing current supply Increasing the number of turns All of the listed here Increasing the cross-sectional area Increasing current supply Increasing the number of turns All of the listed here Increasing the cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
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