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A non magnetic medium has an intrinsic impedance 360∠30o Ω


Que: The Dielectric constant is

  • a)
    1.634

  • b)
    1.234

  • c)
    0.936

  • d)
    0.548

Correct answer is option 'D'. Can you explain this answer?
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A non magnetic medium has an intrinsic impedance 360∠30oΩQue...


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A non magnetic medium has an intrinsic impedance 360∠30oΩQue...
Explanation:

Intrinsic impedance of a non-magnetic medium is given by:

Z0 = sqrt(μ0/ε0)

where, μ0 and ε0 are the permeability and permittivity of free space, respectively.

Given, Z0 = 36030 Ω

We know that,

Z0 = sqrt(μ/ε)

where, μ and ε are the permeability and permittivity of the medium, respectively.

Therefore,

μ/ε = (Z0)^2

= (36030)^2

= 1296960900

The value of μ for a non-magnetic medium is μ0 = 4π × 10^-7 H/m

Substituting the values, we get:

4π × 10^-7 H/mε = 1296960900

ε = 1/(4π × 10^-7 × 1296960900)

= 0.548

Therefore, the dielectric constant of the medium is 0.548.

Hence, the correct answer is option D.
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A non magnetic medium has an intrinsic impedance 360∠30oΩQue: The Dielectric constant isa)1.634b)1.234c)0.936d)0.548Correct answer is option 'D'. Can you explain this answer?
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