nursing AIIMS BSc Nursing 2025 Mock Test Series Physics Electromagnetic Induction and Inductance Motional Electromotive Force
A circular ring containing n number of spokes, parallel to each other, is rotated in a plane that is perpendicular to the earth's magnetic field. This generates EMF between the center and circular rim. If we increase the number of spokes of the ring then the induce emf
1
increases
2
decreases
3
goes to infinity
4
remain same