McqMate
| Q. |
The method of magnetization is: |
| A. | hammering a magnet |
| B. | heating a magnet |
| C. | passing direct current through it |
| D. | passing alternating current through it |
| Answer» A. hammering a magnet | |
|
Explanation: Hammering a rod will either allow it to become slightly magnetic inlaid along a magnetic field (i.e.North - South) or demagnetize it if laid across the field lines (i.e. East-West). A current passing through a coil will produce a magnetic field. |
|
View all MCQs in
PhysicsNo comments yet