Class 7 Online Courses

Chapter 7: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 7

Electrical Circuits and Electric Currents Multiple Choice Questions (MCQs) PDF Download - 21

Free Electrical circuits and electric currents Multiple Choice Questions and Answers (MCQs), electrical circuits and electric currents MCQ PDF Download, Book Ch. 7-21 to study class 7 science online courses. Practice Chemical Effect of Electric Current MCQs PDF, electrical circuits and electric currents quiz questions and answers to study online schools courses. The Electrical Circuits and Electric Currents MCQs App Download: Free learning app for chemical effect of electric current, conductors and insulators, series and parallel circuits, electric resistance test prep for online school courses.

The Multiple Choice Question (MCQ Quiz): Electroplating is used to coat less expensive metals with; "Electrical Circuits and Electric Currents" App Download (Free) with answers silver, gold, platinum and valuable metals to study online schools courses. Solve chemical effect of electric current quiz questions, download Google eBook (Free Sample) for online study.

Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 21

MCQ 101: Electroplating is used to coat less expensive metals with

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

MCQ 102: Semiconductors are also found in

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

MCQ 103: 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

MCQ 104: 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

MCQ 105: In parallel circuits, the voltage is

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

Electrical Circuits and Electric Currents Learning App & Free Study Apps

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Electrical Circuits and Electric Currents App (Android & iOS)

Electrical Circuits and Electric Currents App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (iOS & Android)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (iOS & Android)