MCQ
A charged particle is whirled in a horizontal circle on a frictionless table by attaching it to a string fixed at one point. If a magnetic field is switched on in the vertical direction the tension in the string.
  • A
    Will increase.
  • B
    Will decrease.
  • C
    Will remain the same.
  • May increase or decrease.

Answer

Correct option: D.
May increase or decrease.


$B=B_0 j$
The tension is the strong may increases or decreases.

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