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