alternating-currents Question 4

Question: Q. 1. Define capacitive reactance. Write its S.I. unit.

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Solution:

Ans. It is defined as the opposition to the flow of current in ac circuits offered by a capacitor.

Alternatively,

$$ X_{c}=\frac{1}{\omega C} $$

$1 / 2$

S.I. unit : ohm $(\Omega)$.

[CBSE Marking Scheme 2015] 11/2

OR

Ans.

[Topper’s Answer 2015]



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