A rigid uniform horizontal wire PQ of mass M pivoted at P

Last updated: 6/12/2023

A rigid uniform horizontal wire PQ of mass M pivoted at P carries a constant current It is made to rotates with a constant angular speed on a horizontal circular conducting smooth frame in a uniform vertical magnetic field B If the current is switched off then the angular acceleration of the Find BI wire in terms of B Mand is given by n M the value of n