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The moment of a magnet (15 cm × 2 cm × 1 cm) is 1.2 A-m2. What is its intensity of magnetization? - Physics

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प्रश्न

The moment of a magnet (15 cm × 2 cm × 1 cm) is 1.2 A-m2. What is its intensity of magnetization?  

संख्यात्मक
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उत्तर

Magnetization,

M = `"m"_"net"/"V"`

= `"m"_"net"/(l xx "b" xx "h")`      ….[∵ V = l × b × h]

= `1.2/(15 xx 10^-2 xx 2 xx 10^-2 xx 1 xx 10^-2)`

= `4 xx 10^4` A/m

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अध्याय 11: Magnetic materials - Very Short Answer

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