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Question

Relative permittivity and permeability of a material are $ϵ_{r}$ and $μ_{r}$ , respectively. Which of the following values of these quantifies are allowed for a diamagnetic material?

A

$ϵ_{r} = 0.5, μ_{r} = 0.5$

B

$ϵ_{r} = 1.5, μ_{r} = 1.5$

C

$ϵ_{r} = 0.5, μ_{r} = 1.5$

D

$ϵ_{r} = 1.5, μ_{r} = 0.5$

Medium

JEE Mains

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Updated on : 2022-09-05

Solution

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Correct option is D)

For a diamagnetic material, $μ_{r}$ and $ϵ_{r}$ should have following bounds $0 < μ_{r} < 1$ and for any material $ϵ_{r} > 1$

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