1.

Assertion (A) : A commercial motor uses a soft iron core on whichthe coil carrying currentin wound. Reason (R) : Presence of soft iron core enhances the powerof the motor as it increase the magnetic field .

Answer»

Both (A) and (R) are TRUE and (R) is correct explanation of the ASSERTION
Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
(A) is true but (R) is FALSE.
(A) is false but (R) is true.

Answer :A


Discussion

No Comment Found