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Question: Answered & Verified by Expert
A stream of electrons is projected horizontally to the right. A straight conductor carrying a current is supported parallel to electron stream and above it. If the current in the conductor is from left to right, then what will be the effect on electron stream?
PhysicsMagnetic Effects of CurrentNEET
Options:
  • A The electron stream will be speeded up towards the right
  • B The electron stream will be retarded
  • C The electron stream will be pulled upwards
  • D The electron stream will be pulled downwards
Solution:
1205 Upvotes Verified Answer
The correct answer is: The electron stream will be pulled downwards
Magnetic field due to current through a linear conductor from the left to right at a point below the conductor is acting horizontally upwards. The electron beam moving from left to right will cause the current right to left. The force on the electrons will be vertically downwards according to Fleming's hand rule.

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