MCQOPTIONS
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MCQOPTIONS
| 1. |
If a bar magnet of pole strength m and magnetic moment M is cut perpendicular to its axis in two equal halves then its new pole strength m' and magnetic moment M' are respectively |
| A. | \[m'=m\] and \[M'=M\] |
| B. | \[m'=m\] and \[M'=\frac{M}{2}\] |
| C. | \[m'=\frac{m}{2}\] and \[M'=2M\] |
| D. | \[m'=2m\] and \[M'=\frac{M}{2}\] |
| Answer» C. \[m'=\frac{m}{2}\] and \[M'=2M\] | |