Electrical Circuits and Electric Currents Multiple Choice Questions and Answers 21 PDF Book Download

Electrical circuits and electric currents MCQs, electrical circuits and electric currents quiz answers 21 to learn elementary education online courses. Practice electrical safety multiple choice questions (MCQs), electrical circuits and electric currents quiz questions and answers for science class. Free e-learning tutorial on chemical effect of electric current, conductors and insulators, series and parallel circuits, electric resistance test prep for elementary school teaching certification.

Study elementary school science multiple choice questions (MCQs): chemical effect of electric current, conductors and insulators, series and parallel circuits, electric resistance, with choices liquid crystal displays, light emitting diodes, cathode ray tubes, and cathode ray oscilloscopes for online elementary education degree. Free science study guide for online learning electrical safety quiz questions to attempt multiple choice questions based test.

MCQ on Electrical Circuits and Electric Currents Worksheets 21 PDF Book Download

MCQ: Electroplating is used to coat less expensive metals with

  1. gold
  2. silver
  3. platinum
  4. valuable metals

D

MCQ: Semiconductors are also found in

  1. light emitting diodes
  2. liquid crystal displays
  3. cathode ray tubes
  4. cathode ray oscilloscopes

A

MCQ: Adding more bulbs to a circuit with one battery would

  1. make them brighter
  2. make them sharper
  3. make them dimmer
  4. make them colorless

C

MCQ: Nichrome (mixture of nickel and chromium) resists

  1. less electricity than copper
  2. less electricity than aluminum
  3. more electricity than copper
  4. more electricity than aluminum

C

MCQ: In parallel circuits, voltage is

  1. equal
  2. unequal
  3. more powerful
  4. less powerful

A