A rod is hinged at its centre and rotated by applying a constant torque starting from rest. The power developed by the external torque as a function of time is :

A rod is hinged at its centre and rotated by applying a constant torqu

1.	A rod is hinged at its centre and rotated by applying a constant torque starting from rest. The power developed by the external torque as a function of time is :
Answer» ANSWER :B