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A solenoid has a core of a substance with relative permeability $600$ . What is the magnetic permeability of the given substance?

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$21 π \times 10^{- 5} N A^{- 2}$

$24 π \times 10^{- 5} N A^{- 2}$

$22 π \times 10^{- 5} N A^{- 2}$

$20 π \times 10^{- 5} N A^{- 2}$

answer is D.

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Detailed Solution

As $μ = μ_{r} μ_{0}$

Here, $μ_{r} = 600$ and $μ_{0} = 4 π \times 10^{- 7} N A^{- 2}$

$∴$ Magnetic permeability

$μ = 600 \times 4 π \times 10^{- 7} = 24 π \times 10^{- 5} N A^{- 2}$

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