Which of the following expression satisfies the Ampere’s circuital law?

A

$$ \oint B.dl=\mu_0 \sum i $$

B

$$ \oint B.dl = \mu_0 \sum i^{2} $$

C

$$ \oint B.dl = \mu_0 \sum H $$

D

$$ \oint B.dl = \mu_0 \sum H^{2}$$