Magnetism Question 24
Assertion : For making permanent magnets, steel is preferred over soft iron. Reason : As retentivity of steel is higher.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason are both false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: B
Solution:
Steel is preferred over soft iron for making permanent magnets, because coercivity of steel is higher.
BETA
