Question

Very short answer questions
1. Write one word for the following.
1. An unbroken path through which an electric current can flow
2. A very thin wire made of a special material (such as tungsten)
that glows in a bulb
3. Tightly wound coils found in appliances that heat up
4. A safety device used to prevent the excessive flow of electric current
5. A device used to open or close an electric current​

Answer 1

Answer:

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Explanation:

1. A continuous, unbroken path through which electrons can flow is a closed circuit. When the switch is off, it breaks the path to flow the charges. A break or opening in a circuit creates an open circuit.

2. An incandescent light bulb has a small thin wire with two bigger wires holding it up. This wire is called a filament. The filament is the part of the light bulb that produces light. Filaments in incandescent light bulbs are made of tungsten

3. The tightly wound coils are nichrome wires these are the wires having an immense resistivity and a vwery high melting point and are much more durable ,they offer a great resistance to the current and so the energy loses its identity of electrical energy to heat energy to give out intense infrared radiations

4. fuse

5. switches