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Moving Charges and Magnetism — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsMoving Charges and Magnetism1 Mark
MCQ
Two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below. Assertion (A): Magnetic field is useful in producing parallel beam of charged particle. Reason (R): Magnetic field inhibits the motion of charged particle moving across it.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is NOT the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false and R is also false.
✓

Answer

  1. Both A and R are true and R is the correct explanation of A.

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