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The ɛr is the relative permittivity of insulation of a cable and C is the capacitance of cable, which of the following is correct relation?

January 21, 2022
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The ɛr is the relative permittivity of insulation of a cable and C is the capacitance of cable, which of the following is correct relation?

Q. The ɛr is the relative permittivity of insulation of a cable and C is the capacitance of cable, which of the following is correct relation?

A.            C α ɛr

B.            C α 1 / ɛr

C.            C α ɛr^2

D.            none of the above

Answer: C α ɛr

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