The length of a bar magnet is 10 cm and the area of cross-section is 1.0 cm2 . The magnetization I = 102 A/m. Calculate the pole strength.
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Answer ⇒ The pole strength of the bar magnet is 1.02 × 10⁻² Am.
Explanation ⇒ Using the formula,
Intensity of Magnetization (I) = Magnetic moment/Volume.
∴ I = M/Volume.
∴ M = I × Volume.
∴ pole strength × length of bar magnet = I × Area of cross-section × Length of bar magnet.
∴ Pole strength = 102 × 10⁻⁴
∴ m = 1.02 × 10⁻² Am
Hence, the pole strength of the bar magnet is 1.02 × 10⁻² Am.
Hope it helps.
Answered by
2
Answer:
The pole strength of the bar magnet is 1.02 × 10⁻² Am.
Explanation:
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