magnetism

Related Questions

• A straight wire carrying current i is turned into a circular loop. If the magnitude of magnetic moment associated with it in M.K.S. unit is M, the length of wire will be

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• A magnet makes 40 oscillations per minute at a place having magnetic field intensity of $0.1 \times 10^{–5} T$. At another place, it takes $2.5 sec$ to complete one vibration. The value of earth’s horizontal field at that place is

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• A magnet of magnetic moment M oscillating freely in earth's horizontal magnetic field makes n oscillations per minute. If the magnetic moment is quadrupled and the earth's field is doubled, the number of oscillations made per minute would be

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• At a place the earth's horizontal component of magnetic field is $0.36 \times {10^{ - 4}}weber/{m^2}$. If the angle of dip at that place is $60^o$, then the vertical component of earth's field at that place in weber/m2 will be approximately

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• Unit of magnetic flux density (or magnetic induction) is

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