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

20 π \times 10^{- 5} N A^{- 2}

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21 π \times 10^{- 5} N A^{- 2}

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22 π \times 10^{- 5} N A^{- 2}

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24 π \times 10^{- 5} N A^{- 2}

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Solution

The correct option is C $24 π \times 10^{- 5} N A^{- 2}$
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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A solenoid has a core of a substance with relative permeability 600. What is the magnetic permeability of the given substance?

The correct option is C 24π×10−5NA−2As μ=μrμ0Here, μr=600 and μ0=4π×10−7NA−2∴ Magnetic permeabilityμ=600×4π×10−7=24π×10−5NA−2

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

The correct option is C $24 π \times 10^{- 5} N A^{- 2}$
As $μ = μ_{r} μ_{0}$
Here, $μ_{r} = 600$ and $μ_{0} = 4 π \times 10^{- 7} N A^{- 2}$
$∴$ Magnetic permeability
$μ = 600 \times 4 π \times 10^{- 7} = 24 π \times 10^{- 5} N A^{- 2}$