Write the possible conformations of ethane?

Conformations of Ethane :
The rotation around C–C single bond in ethane forms infinite structures are called conformations of ethane and the phenomenon is called conformational isomerism. Out of infinite conformations staggered and eclipsed conformations of ethane are important. In staggered conformation, hydrogen atoms on both the carbons atoms are far a part from each other. In eclipsed conformation hydrogen atoms on the both the carbons atoms are close to each other.

Staggered from is more stable then eclipsed form due to less repulsions inbetween hydrogen.