Multiple choice

Consider the following statements: 1. Iron, in contact with a magnet, cannot become a magnet.

  1. Alnico is used to make magnets. Which of the given statements is/are correct?

  1. Only (1)

  2. Only (2)

  3. Both (1) & (2)

  4. Neither (1) nor (2)

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement (1) is wrong. Iron becomes magnetised and develops the opposite pole and acts as a magnet. Statement (2) is correct. Alnico is an alloy, which consists of elements like aluminium, nickel, cobalt, copper, Iron and some other elements, which have one of the magnetic characteristics. Moreover, Alnico with these constitute elements is preferred to make magnets.