Electrical Circuits and Electric Currents Learning App | Class 7 Science MCQs e-Book PDF
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Study Electrical circuits and electric currents Multiple Choice Questions (MCQs) with Answers PDF to engage virtual science education. Download the Electrical Circuits and Electric Currents MCQs PDF e-Book, Ch. 6-21 to study Class 7 Science Course. Learn Electrical Circuits and Electric Currents Quiz Questions and Answers for science educational success support. Download the Electrical Circuits and Electric Currents Learning App: Free Class 7 Science MCQs App to chemical effect of electric current, conductors and insulators, series and parallel circuits, electric resistance test prep for science digital knowledge platforms.

Free Electrical Circuits and Electric Currents MCQs App Download: Semiconductors are also found in; MCQ with answers: liquid crystal displays, light emitting diodes, cathode ray tubes, and cathode ray oscilloscopes. Solve Chemical Effect of Electric Current MCQ Questions, download Google e-Book (Free Chapter) to engage virtual science education.

Electrical Circuits and Electric Currents MCQs – Practice Test 21 PDF Download

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 MCQs App & e-Book – Class 7 Science Competitive Exam

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