Class 7 Science MCQs - Chapter 6
Electrical Circuits and Electric Currents Multiple Choice Questions (MCQs) PDF Download - 37
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The Electrical circuits and electric currents Multiple Choice Questions (MCQs) with Answers PDF (electrical circuits and electric currents MCQs PDF e-Book) download Ch. 6-37 to study Grade 7 Science Course. Learn Electrical Circuits and Electric Currents Quiz Questions and Answers for homeschool certification courses. The Electrical Circuits and Electric Currents MCQs App Download: Free learning app for conductors and insulators, earth wires, fuses and circuit breakers, resistors test prep for online classes.
The MCQ: An example of good electrical conductor is; "Electrical Circuits and Electric Currents" App Download (Free) with answers: Sodium; Aluminum; Potassium; Zinc; for homeschool certification courses. Solve Conductors and Insulators MCQ Questions, download Google eBook (Free Sample) for taking online classes.
Electrical Circuits and Electric Currents MCQs with Answers PDF Download: Quiz 37
An example of good electrical conductor is
- aluminum
- sodium
- potassium
- zinc
ELCB is also switched off if
- faulty earth wire has been used
- faulty equipment has been used
- faulty switches have been used
- two pin plugs have been used
One of the cause of short circuits is
- insulated wiring
- fixed resistance
- variable resistance
- faulty wire insulation
The main supply system has plugs with
- one pin
- two pins
- three pins
- four pins
The resistor whose resistivity can be varied manually is known as
- transistor
- thermistor
- variable resistor
- fixed resistor
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