Assertion: A charged particle enters a magnetic field with velocity

PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

Assertion: A charged particle enters a magnetic field B=B0i^\mathbf{B}=B_0\hat{\mathbf{i}} with velocity v=v0i^+v0j^\mathbf{v}=v_0\hat{\mathbf{i}}+v_0\hat{\mathbf{j}}. The minimum speed of the charged particle may be v0v_0. Reason: A variable acceleration acts on the charged particle. (A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion. (B) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion. (C) Assertion is true but Reason is false. (D) Assertion is false but Reason is true.

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