Physics
Grade-7
Easy
Question
Materials that do not allow an electric current to pass through them easily are called
- Insulator
- Poor conductor
- Tester
- Good conductor
Hint:
Material that does not allow current flow is called an insulator.
The correct answer is: Insulator
- An insulator is a substance that resists the electric current.
- Copper, aluminum, gold, and silver are examples of insulators.
- An insulator does not allow current flow.
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Statement 1: The heating up of a thin conducting wire on passing an electric current through it is called the heating effect of current.
Statement 2: Various electrical appliances that are based on the heating effect of current contain a coil of wire called an element.
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Statement 1: The heating up of a thin conducting wire on passing an electric current through it is called the heating effect of current.
Statement 2: Various electrical appliances that are based on the heating effect of current contain a coil of wire called an element.
PhysicsGrade-7
