Magnetism and Matter Quiz | Magnetism and Matter Online Test for Practice

Magnetism and Matter MCQ Questions for Practice

31. Let the magnetic field on earth be modelled by that of a point magnetic dipole at the centre of earth. The angle of dip at a point on the geographical equator is

32. Let the magnetic field on earth be modelled by that of a point magnetic dipole at the centre of earth. The angle of dip at a point on the geographical equator

33. In a moving coil galvanometer, we use a radial magnetic field so that the galvanometer scale is :

34. In a bar magnet, magnetic lines of force z :

35. Ferrites may be:

36. Curie temperature is the temperature above which

37. Curie law xT = constant, relating magnetic susceptibility (x) and absolute temperature (T) of magnetic substance is obeyed by

38. At a given place on earth's surface the horizontal component of earth's magnetic field is 2 × 103-5 T and resultant magnetic field is 4 × 103-5 T. The angle of dip at this place is

39. A wire of length I has a magnetic moment M. It is then bent into a semi-circular arc. The new magnetic moment is :

40. A magnetic needle is kept in a non-uniform magnetic field. It experiences

41. A magnetic dipole moment is a vector quantity directed from:

42. A current carrying power line carries current from west to east. What will be direction of magnetic field 1 meter above it?

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