Class 7 Science MCQs - Chapter 6
Electrical Circuits and Electric Currents Multiple Choice Questions (MCQ) PDF Download - 42
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The Electrical circuits and electric currents Multiple Choice Questions (MCQ Quiz) with Answers PDF (Electrical Circuits and Electric Currents MCQ PDF e-Book) download Ch. 6-42 to learn Grade 7 Science Course. Study Electrolytes Multiple Choice Questions and Answers (MCQs) PDF, Electrical Circuits and Electric Currents Quiz Questions and Answers for homeschool certification courses. The Electrical Circuits and Electric Currents MCQ App Download: Free educational app for electrolytes, simple circuits, earth wires, magnetic effect and electric current, electricity billing test prep for school certificate.
The MCQs: Water is a poor electrolyte, so an acid is added to increase its conductivity. The acid is; "Electrical Circuits and Electric Currents" App (Android, iOS) with answers: Sulphuric acid; Hydrochloric acid; Nitric acid; Carbonic acid; for homeschool certification courses. Practice Electrolytes MCQ Questions, download Apple e-Book (Free Sample) for online classes.
Electrical Circuits and Electric Currents MCQs with Answers PDF Download: Quiz 42
Water is a poor electrolyte, so an acid is added to increase its conductivity. The acid is
- hydrochloric acid
- sulphuric acid
- nitric acid
- carbonic acid
A thin wire in the bulb made up of tungsten is known as
- cable
- terminal
- tungsten wire
- filament
Many main supply system uses
- 1 wire
- 2 wires
- 3 wires
- 5 wires
The name of the scientist who discovered relationship between electricity and magnetism was
- Robert Hooke
- Nelson Green
- George Pascal
- Hans Oersted
If a '3kW' electric fire is used for 4 hours, the consumed units will be equal to
- 0.75
- 12
- 10
- 8
Class 7 Science Mock Tests
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