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A bar magnet of magnetic moment 5.0 Am^2 has the poles 20 cm apart. Calculate the pole strength.

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A bar magnet of magnetic moment 5.0 Am2 has the poles 20 cm apart. Calculate the pole strength.

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Given: m = 5.0 Am2, 2l = 20 cm = 0.20 m

To find: Pole strength (qm)

Formula: qm = \(\frac{m}{2l}\)

Calculation:

From formula.

qm = \(\frac{5.0}{0.20}\) = 25 Am

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