The resultant reactance in an L - C - R circuit is. - Vidyadip

MCQ

The resultant reactance in an $L - C - R$ circuit is.

A
$X _{ L }+ X _{ C }$
✓
$X _{ L }- x _{ C }$
C
$\sqrt{\text{X}^2_\text{L}+\text{X}^2_\text{C}}$
D
$\sqrt{\text{X}^2_\text{L}-\text{X}^2_\text{C}}$

✓

Answer

Correct option: B.

$X _{ L }- x _{ C }$

Reactance is the nonresistive component of impedance in an $AC$ circuit, arising from the effect of inductance or capacitance or both and causing the current to be out of phase with the electromotive force causing it.
Therefore, reactance of the $L - C - R$ circuit is $X _{ L }- x _{ C }$

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