Electrical Current MCQs Quiz Online PDF Download

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MCQs on Electrical CurrentQuiz PDF Download

MCQ: Semiconductors have electron number density of order

  1. 1024 m-3
  2. 1020 m-3
  3. 1012 m-3
  4. 1023 m-3


MCQ: If magnetic flux density and current are at right angles, then component of force acting on conductor is

  1. BIL cosθ
  2. BIL sinθ
  3. BIL tanθ
  4. BL sinθ


MCQ: When current is parallel to magnetic fields, force on conductor is

  1. zero
  2. infinite
  3. 2 times
  4. same


MCQ: If direction of current is from positive to negative, then it is called

  1. electronic current
  2. conventional current only
  3. positronic current
  4. protonic current