magnetism

Related Questions

• A long magnetic needle of length 2L, magnetic moment M and pole strength m units is broken into two pieces at the middle. The magnetic moment and pole strength of each piece will be

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• If the angles of dip at two places are 30o and 45o respectively, then the ratio of horizontal components of earth's magnetic field at the two places will be

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• The period of oscillation of a magnet in vibration magnetometer is 2 sec. The period of oscillation of a magnet whose magnetic moment is four times that of the first magnet is

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• A bar magnet of magnetic moment $200 A-m^2$ is suspended in a magnetic field of intensity 0.25 N/A-m. The couple required to deflect it through $30^o$ is

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• A dip circle is at right angle to the magnetic meridian. What will be the apparent dip

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