39 A metallic rod of length lis hinged at the point M and is

Last updated: 6/24/2023

39 A metallic rod of length lis hinged at the point M and is rotating about an axis perpendicular to the plane of paper with a constant angular velocity o A uniform magnetic field of intensity Bis acting in the region as shown in the figure parallel to the plane of paper The potential difference between the points M and N a is always zero 1 c is always Bool M 140 N B b varies between Bol to 0 d is always Bol