Single Choice

Amperes circuital law is given by

A$$\oint\bar H. \bar {dl} =\mu_0 I_{enc}$$
B$$\oint\bar B. \bar {dl} =\mu_0 I$$
Correct Answer
C$$\oint\bar B. \bar {dl}=\mu_0 J$$
D$$\oint\bar H. \bar {dl}=\mu_0 J$$

Solution

Ampere 's circuital law states that relationship between thecurrent and the magnetic field $$\phi\overrightarrow { B } \overrightarrow { dl } =\mu_0 I$$ B is correct option

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