Question

A spring made of copper is moved towards a stationary bar magnet. What are the changes observed in the spring when (1) the two ends of the spring are connected. (2) the two ends of the spring are not connected.​

Answer 1

Requirement for current to flow. <br> (ii) Difference between geographical axis and geographical meridian. <br> (iii) Change in the length of the spring. <br> (iv) Pole strength decreases when the area of cross-section of the bar magnet is reduced and the