Q. Consider the following statements:
1.Rare earth permanent magnets are used in electronics.
2.A rare earth permanent magnet has nearly 30 percent of rare earth metals by weight. .
Which of the statements given above is/are correct?
Answer: C
Notes:
Explanation –
Statement 1 and 2 are correct. Rare earth permanent magnets have a wide-range applications in electronics, automobiles, the military, etc. These are also used in new technologies like hypersonic weapons and directed energy systems. A rare earth permanent magnet has nearly 30 percent of rare earth metals by weight.
Source: ForumIAS
