MCQ
Assertion : To protect any instrument from external magnetic field, it is put inside an iron body.
Reason : Iron is a magnetic substance.
Reason : Iron is a magnetic substance.
- ✓If both assertion and reason are true and the reason is the correct explanation of the assertion.
- BIf both assertion and reason are true but reason is not the correct explanation of the assertion.
- CIf assertion is true but reason is false.
- DIf the assertion and reason both are false.

