Electrical Current MCQs Quiz Online PDF Download

Learn electrical current MCQs, A level physics test for online learning courses, test prep to practice test. Electric current, potential difference and resistance MCQs, electrical current multiple choice questions and answers, electric power, meaning of voltage, current equation, circuit symbols, electrical current tutorials for online what is physics courses distance learning.

GCE physics practice test MCQ: semiconductors have electron number density of order with options 1024 m-3, 1020 m-3, 1012 m-3 and 1023 m-3 for scholars competing for college and universities' scholarships with college board and MCAT prep. Free study guide is for online learning electrical current quiz questions with MCQs to practice test questions with answers.

MCQs on Electrical Current Quiz 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

D

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

B

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

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

A

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

B