Question

IV. Very Short Answer Questions
1. What is meant by an electric circuit?
2. What name is assigned to 'on-off' mechanism in any electric circuit?
3. Which material is used for making the handle of a screwdriver and pliers?
4.
Will electric current flow in a circuit in which there is a gap between two wires?
5. What conversion is seen in an electric cell?​

Answer 1

Answer:

Ans:

1. An electric circuit is a path through which the current flows.

2. The electric switch

3. Button cell

4. Conductors – distilled water, copper, silver, brass, aqueous solution Insulators – wood, plastic

5. The materials that allow electric current to pass through them are called conductors. For example, iron, copper, silver.

6. Television, Microwave, Stea

Explanation:

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Answer 2

1. A continuous and closed path of electric current is called an electric circuit.
2. A switch is a device that controls the 'on-off' mechanism in an electric circuit.
3. Plastic is used for making the handle of a screwdriver and pliers.
4. No, electric current will not flow in a circuit in which there is a gap between two wires because gap contains air which is an insulator of electricity.
5. In an electric cell, chemical energy stored inside is converted into electrical energy when the cell is brought to use.

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