Current Electricity Multiple Choice Questions and Answers 20 PDF Online Download

Practice current electricity MCQs, current electricity quiz answers, test prep 20 to learn high school physics for online certificate courses. Electrical energy and joules law Multiple Choice Questions (MCQs), current electricity quiz questions and answers for online education programs. Learn direct current and alternating current, electromotive force, electrical energy and joules law, ohm's law test prep for online degrees.

Learn physics MCQs: positive and negative terminals of direct current have, with choices fixed polarity, no polarity, variable polarity, and always negative polarity for online education programs. Free physics study guide for online learning electrical energy and joules law quiz questions for taking online classes.

Current Electricity MCQs Quiz 20 PDF Online Download

MCQ: Positive and negative terminals of direct current have

  1. no polarity
  2. fixed polarity
  3. variable polarity
  4. always negative polarity

B

MCQ: Potential difference across a circuit component can be measured by a

  1. vernier calipers
  2. galvanometer
  3. ammeter
  4. voltmeter

D

MCQ: SI unit for electromotive force is

  1. J-1
  2. C-1
  3. JC-1
  4. km-1

C

MCQ: Rate of energy transferred if a current of 0.5 A passes through a bulb connected across a battery of 6 V for 20 s is

  1. 80 J
  2. 20 J
  3. 30 J
  4. 60 J

D

MCQ: By applying a potential difference of 7 V across a conductor, a current of 2 A passes through it. energy obtained in 2.5 minutes is

  1. 2000 J
  2. 2500 J
  3. 2100 J
  4. 1800 J

C