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# As frequency increases, does series and parallel RC impedance decrease?

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#### Explanation

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#### Explanation:

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6
Jun 10, 2015

Yes,series and parallel RC impedance decreases with increase in frequency.

#### Explanation:

Series circuit:
impedance=resistance+$i$(reactance)
Z=R+$i {X}_{c}$
Where,
R=resistance,
${X}_{c}$=capacitive reactance

$R = \rho \cdot \frac{l}{a}$
since resistance is related to type material,length of material,area of cross section of material,hence resistance is independent of frequency.

${X}_{c} = \frac{1}{2 \prod f C}$

where,
f=frequency,
C=capacitance,
If we increase the frequency(f),${X}_{c}$ decreases.
If ${X}_{c}$ decreases,then Z also decreases.

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