Magnetic Effect...

A dip needle free to move in a vertical plane perpendicular to the magnetic meridian will remain

When a ferromagnetic substance is heated to a temperature above its Curie temperature, it

A needle made of bismuth is suspended freely in a magnetic field. The angle which the needle makes with the magnetic field is

A frog can be levitated in magnetic field produced by a current in a vertical solenoid placed below the frog. This is possible because the body of the frog behaves as a/an _______ substance.

The relative permeability of a substance A is slightly greater than unity, while that of a substance B is slightly less than unity. Which of the following statements is correct?

A sensitive magnetic instrument can be shielded very effectively from outside fields by placing it inside a box of

At a certain place, the horizontal component of earth's magnetic field is √3 times the vertical component. The angle of dip at that place is

When iron filings are sprinkled on a sheet of glass placed over a short bar magnet then,