A thin rod of length `L` is bent to form a semi circle. The mass of the rod is `M`. What will be the gravitational potential at the centre of the circle?

A thin of length L is bent to form a semicircle. The mass of rod is M. What will be the gravitational potential at the centre of the circle ?

A thin of length L is bent to form a semicircle. The mass of rod is M. What will be the gravitational potential at the centre of the circle ?

A thin of length L is bent to form a semicircle. The mass of rod is M. What will be the gravitational potential at the centre of the circle ?

Positive charge Q is uniformly distributed across a thin rod of length L. The rod is then bent in the form of a semicircle. What will be the electric potential at the centre of curvature of semicircle formed?

A thin rod of mass M and length L is bent into a semicircle as shown in diagram. What is a gravitational force on a particle with mass m at the centre of curvature?

A rod of length L and magnetic-moment M is bent to form a semicircular shape.What will be the new magnetic moment?

A uniform wire of length L is bent in the form of a circle. The shift in its centre of mass is