Materials and Components - ECE Questions and Answers

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For dielectrics in alternating field, polarizability a_e is a complex quantity. The imaginary part of a_e is zero for

ω = 0

ω → ∞

ω = 0 and ω → ∞

ω = natural frequency ω₀

Answer : Option C

Explanation :

Imaginary part of a_e is zero for ω = 0 and ω = ∞.

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