Physics · 2021
JEE Main · 16 March 2021, Shift 2 · Q9
A charge Q is moving d l distance in the magnetic field B. Find the value of work done by B.
A charge $\displaystyle Q$ is moving $\displaystyle \overrightarrow{d l}$ distance in the magnetic field $\displaystyle \vec{B}$. Find the value of work done by $\displaystyle \overrightarrow{\mathrm{B}}$.
Official answer
(2)
Zero
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.