CBSE Class 10 Science 2023 Delhi Set 1

Question : 20

Total: 39

Assertion (A) : A current carrying straight conductor experiences a force when placed perpendicular to the direction of magnetic field.
Reason (R) : The net charge on a current carrying conductor is always zero.

Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.

Solution:

Both statements are true but reason does not explain the assertion. Force is exerted on the conductor due to interaction of its own magnetic field with that of the external magnetic field.

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