Problems IV
- A group of magnetically aligned atoms?
- The lagging effect between flux density of the material and the magnetizing force applied is called _____?
- A law establishing the fact that the algebraic sum of the rises and drops of the emf around a closed loop of a magnetic circuit is equal to zero?
- The unit of magnetomotive force?
- Flux density is measured in _____?
- If a right handed bottle-opener cork screw is assumed to be along the conductor so as to advance the direction of current flow, the motion of its handle will indicate the direction of magnetic flux produced around the conductor is known as _____?
- If one looking at any one end of a solenoid, the direction of current flow is found to be clockwise then the end under observation is a south-pole called _____?
- If a solenoid is gripped by the right hand with the fingers pointing the direction of current flow, the outstretched thumb will then point the north-pole is known as _____?
- The property of magnetic materials of retaining magnetism after withdrawal of the magnetizing force is reffered to as _____?
- The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force is called _____?
- The amount of magnetizing force to counter balance the residual magnetism of a magnetic material is reffered as _____?
- The straight line passing through the two poles of a magnet is called _____?
- The point in a magnet where the intesity of magnetic lines of force is maximum?
- The name given to nonmetallic materials taht have the ferromagnetic properties of iron?
- The point at which a magnetic material losses its ferromagnetic properties is called _____?
| |