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  9. Q79

JKPSC KAS 2023 · Question 79 of 100

An electron enters a magnetic field at right angles to it, as shown in the figure. The direction of force (according to Fleming's left-hand rule) acting on the electron will be:

General Science

  1. ATo the right
  2. BTo the left
  3. CInto the pageCorrect
  4. DOut of the page

Answer: C. Into the page

Explanation

Per the official key for the given figure, the magnetic force on the electron acts into the page (Fleming's left-hand rule applied to the electron's motion, accounting for its negative charge).

Source: JKPSC KAS Prelims 2023 (Set A) via TheExamPillar

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