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प्रश्न
Magnetic field at far axial point due to solenoid as well as bar magnet varies ______.
पर्याय
inversely as R square, where R = axial distance to the magnet/solenoid
directly as R squared, where R = axial distance to the magnet/solenoid
inversely as cube of R, where R = axial distance from the magnet/solenoid
directly as R cubed, where R = axial distance to the magnet/solenoid
MCQ
रिकाम्या जागा भरा
उत्तर
Magnetic field at far axial point due to solenoid as well as bar magnet varies inversely as cube of R, where R = axial distance from the magnet/solenoid.
Explanation:
Magnetic field at far off-axial point due to a bar magnet as well as solenoid is given by `mu_0/(4pi) (2vec"m")/"R"^3`, where m is magnetic moment and R is distance of axial point.
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