How can we find the direction of magnetic field due to straight wire carrying current?

How can we find the direction of magnetic field due to coil or solenoid carrying current?

Draw the magnetic field lines due to a straight wire carrying current.

The direction of magnetic field lines due to straight conductor carrying current is given by……………….. .

With the help of which rule can you find the direction o magneitc field due to a current carrying wire?Explain the rule.

Plot a magnetic field due to a circular coil carrying current and explain the law used to find the direction of magnetic field at the centre of circular coil carrying current.

The direction of magnetic field close to a straight conductor carrying current will be