Example 21 A uniform wire of resistance per unit length is

Last updated: 6/3/2023

Example 21 A uniform wire of resistance per unit length is bent into a semicircle of radius a The wire rotates with angular velocity w in a vertical plane about a horizontal axis passing through C A uniform magnetic field B exists in space in a direction perpendicular to paper inwards X B A 0 O 0 T 2 D a Calculate potential difference between points A and D Which point is at higher potential b If points A and D are connected by a conducting wire of zero resistance find the potential difference between A and C