Magnetism And Matter

4 Questions
  1. 1
    Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the Earth?
    UPSC CSE I - 2012
  2. 2

    Consider the following statements:

    1. The axis of the Earth's magnetic field is inclined at 23½° to the geographic axis of the Earth.
    2. The Earth's magnetic pole in the Northern Hemisphere is located on a peninsula in Northern Canada.
    3. The Earth's magnetic equator passes through Thumba in South India.

    Which of the statements given above is/are correct?

    UPSC CSE I - 2005
  3. 3

    Which one of the following is paramagnetic in nature?

    UPSC CSE I - 1997
  4. 4

    Assertion (A): Transformer is useful for stepping up or stepping down voltages.
    Reason (R): Transformer is a device used in D.C. circuits. In the context of the above two statements, which one of the following is correct?

    UPSC CSE I - 1996