Electrical Circuits and Electric Currents Notes App Download | Class 7 Science Notes e-Book PDF | 40
Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 40 (Chapter 6)

Electrical Circuits and Electric Currents Notes Questions and Answers PDF – Test 40

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Study Electrical circuits and electric currents Notes Questions and Answers PDF for science digital tutoring access. Download the Electrical Circuits and Electric Currents Quiz Answers PDF e-Book, Ch. 6-40 to study Class 7 Science Course. Practice Chemical Effect of Electric Current MCQ PDF, Electrical Circuits and Electric Currents Quiz Questions and Answers for science digital tutoring access. Download the Electrical Circuits and Electric Currents App: Free Class 7 Science Notes App to chemical effect of electric current, heat and light: resistance, electrical circuits and currents, uses of electromagnets test prep for science remote learning portals.

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Electrical Circuits and Electric Currents Notes Q&A PDF Download – Practice Test 40

MCQ 196: The process of decomposition by the use of electricity is known as:

  1. separation
  2. electric separation
  3. electrolysis
  4. electric filtration

MCQ 197: The rise of temperature due to resistivity, used i:

  1. heaters
  2. burners
  3. cookers
  4. volcanoes

MCQ 198: The charges stay where they are produced if the material is:

  1. conductor
  2. insulator
  3. metal
  4. non metal

MCQ 199: When the sound waves reach our ear, we hear them as:

  1. light waves
  2. electronic waves
  3. sound waves
  4. thermal waves

MCQ 200: The metal detectors that are used in malls, stations, airports and other commercial areas have:

  1. magnets
  2. resistors
  3. fuses
  4. electromagnets

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