Question:

A charge of 5 μC moves with a speed of $2 \times 10^6$ m/s along the positive y-axis. A magnetic field $\vec{B}$ of strength ($2\hat{i}+ \hat{k}$)T exists in space. The magnetic force acting on the charge is :

Updated On: Sep 12, 2024
  • $(-20\hat{k} + 10\hat{i})$N
  • $(20\hat{k}-10\hat{i}) $N
  • $(20\hat{i} +10\hat{i}) $N
  • $(10\hat{i} +5\hat{k}) $N
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The Correct Option is A

Solution and Explanation

The correct option is (A): $(-20\hat{k} + 10\hat{i})$N
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