What is the dimensions of impedance?
AIIMS 2007, Medium
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impedance is same as resistance but in $ac$ circuit
$\therefore$ Dimension of impedance
$=\frac{\text { dimension of voltage }}{\text { dimension of current }}$
$\frac{[V]}{[T]}=\frac{\left[M L^2 T^{-3} I^{-1}\right]}{I}$
$=\left[M L^2 T^{-3} I^{-2}\right]$
$\therefore$ Dimension of impedance
$=\frac{\text { dimension of voltage }}{\text { dimension of current }}$
$\frac{[V]}{[T]}=\frac{\left[M L^2 T^{-3} I^{-1}\right]}{I}$
$=\left[M L^2 T^{-3} I^{-2}\right]$
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