Class 7 Science MCQs (Grade 7) From Textbook

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Class 7 Science Exam MCQs – Practice Test 36 (Chapter 6)

Electrical Circuits and Electric Currents Trivia Questions with Answers PDF Download – Test 36

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The Electrical circuits and electric currents Trivia Questions and Answers PDF (Electrical Circuits and Electric Currents Quiz Answers PDF e-Book) download Ch. 6-36 to study Class 7 Science Course. Practice Chemical Effect of Electric Current MCQ PDF, Electrical Circuits and Electric Currents Quiz Questions and Answers to study online classes courses. The Electrical Circuits and Electric Currents Trivia App Download: Free Class 7 Science Trivia App for chemical effect of electric current, resistors, electricity billing, uses of electromagnets, electric resistance test prep for online courses.

The Quiz: The most common process for manufacturing products from salt solution is; "Electrical Circuits and Electric Currents" App APK Download with answers: evaporation, distillation, electrolysis, and thermal decomposition to study online classes courses. Practice Chemical Effect of Electric Current MCQ Questions, download Kobo eBook (Free Chapter) for online courses.

Electrical Circuits and Electric Currents MCQs – Practice Test 36 PDF Download

MCQ: 176

The most common process for manufacturing products from salt solution is

  1. distillation
  2. evaporation
  3. electrolysis
  4. thermal decomposition
MCQ: 177

To reduce the flow of current in an electric circuit and to avoid the danger of overheating resistor is used in a circuit which is called

  1. variable resistor
  2. thermistor
  3. transistor
  4. fixed resistor
MCQ: 178

In 1 minute, a 500W toaster consumes five times more energy than a

  1. 200W kettle
  2. 1000W iron
  3. 100W bulb
  4. 25W LED bulb
MCQ: 179

When switch is closed, the magnet pulls out the

  1. splinter from eye
  2. eyeball
  3. lens of the eye
  4. retina
MCQ: 180

Bulbs give off electrical energy in the form of

  1. heat energy only
  2. light energy only
  3. heat and light energy
  4. magnetic energy

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