Class 7 Science MCQs - Chapter 6
Electrical Circuits and Electric Currents Multiple Choice Questions (MCQs) PDF Download - 21
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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. 6-21 to study Grade 7 Science Course. Learn Electrical Circuits and Electric Currents Quiz Questions and Answers to study online schools courses. The Electrical Circuits and Electric Currents MCQs App Download: Free learning app for chemical effect of electric current, conductors and insulators, series and parallel circuits, electric resistance test prep for online school courses.
The MCQ: Electroplating is used to coat less expensive metals with; "Electrical Circuits and Electric Currents" App Download (Free) with answers: Silver; Gold; Platinum; Valuable metals; to study online schools courses. Solve Chemical Effect of Electric Current MCQ Questions, download Google eBook (Free Sample) for online study.
Electrical Circuits and Electric Currents MCQs with Answers PDF Download: Quiz 21
Electroplating is used to coat less expensive metals with
- gold
- silver
- platinum
- valuable metals
Semiconductors are also found in
- light emitting diodes
- liquid crystal displays
- cathode ray tubes
- cathode ray oscilloscopes
Adding more bulbs to a circuit with one battery would
- make them brighter
- make them sharper
- make them dimmer
- make them colorless
Nichrome (mixture of nickel and chromium) resists
- less electricity than copper
- less electricity than aluminum
- more electricity than copper
- more electricity than aluminum
In parallel circuits, the voltage is
- equal
- unequal
- more powerful
- less powerful
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Grade 8 Science Mock Tests
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Grade 8 Science MCQ with Answers
- Ventricles are chambers of heart which are
- Size of intestine of a human is laid in straight line will be length of
- Complex carbohydrates which make up cell wall in plants are called
- A joint which is made between adjoining rails to expand without bending is called
- A pale yellow liquid in which blood cells n platelets are suspended is
Electrical Circuits and Electric Currents MCQ Book Questions
- To make coil keep rotating, current is reversed after every half turn by a device called
- Small creatures that breakdown decayed matter into further smaller pieces are called
- Chloride ion has number of protons
- Enzymes that digest fats are known as
- Thin flexible glass rods to transfer data from one region to another are known as