magnetism

Related Questions

• Two bar magnets with magnetic moments $2 M$ and $M$ are fastened together at right angles to each other at their centres to form a crossed system, which can rotate freely about a vertical axis through the centre. The crossed system sets in earth’s magnetic field with magnet having magnetic moment $2M$ making and angle $\theta$ with the magnetic meridian such that

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• If a ferromagnetic material is inserted in a current carrying solenoid, the magnetic field of solenoid

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• 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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• Lines which represent places of constant angle of dip are called

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• If a magnet of length 10 cm and pole strength 40 A-m is placed at an angle of $45^o$ in an uniform induction field of intensity $2 \times 10^{–4}T$, the couple acting on it is

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