Class 7 Science MCQs - Chapter 7
Electrical Circuits and Electric Currents Trivia Questions and Answers PDF - 36
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The Trivia Quiz: Most common process for manufacturing products from salt solution is; "Electrical Circuits and Electric Currents" App APK Download (Free) with answers evaporation, distillation, electrolysis and thermal decomposition to study online classes courses. Practice chemical effect of electric current quiz questions, download Kindle eBook (Free Sample) for online courses.
Electrical Circuits and Electric Currents Questions & Answers PDF Download: MCQ Quiz 36
MCQ 176: The most common process for manufacturing products from salt solution is
- distillation
- evaporation
- electrolysis
- 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
- variable resistor
- thermistor
- transistor
- fixed resistor
MCQ 178: In 1 minute, a 500W toaster consumes five times more energy than a
- 200W kettle
- 1000W iron
- 100W bulb
- 25W LED bulb
MCQ 179: When switch is closed, the magnet pulls out the
- splinter from eye
- eyeball
- lens of the eye
- retina
MCQ 180: Bulbs give off electrical energy in the form of
- heat energy only
- light energy only
- heat and light energy
- magnetic energy
Class 7 Science Mock Tests
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