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: Grade 7 Science Study App [Free] 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, and 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