consider the following statements is true : 1) at the centre of bar magnet, magnetism is zero. 2) induced magnetism is always lost completely on removing the inducing field. 3) A pocket watch can be shield from magnetic effects if it is kept inside an iron casing.
hysteresis loop for the material of permanent magnet should be
worsham
Asked:
December 2022
the length of rectangle is greater than its breadth by 18 cm. if both length and breadth are increased by 6 cm ,then area is increase by 168cm^2.find the length and breadth of rectangle
If (81)^x=1/(125)^y,then find the value of 12xy