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प्रश्न
(a) Name the electrical appliance shown in the diagram below.
(b) Name the material of the wire used in this device.
(c) Name two important characteristics of this wire.
उत्तर
- The electrical appliance shown in the diagram is called 'Fuse'.
- The material used in 'Fuse' wire is made up of an alloy of lead (Pb) and tin (Sn) having a low melting point of 250°C.
- Characteristics of Fuse wire:
- It has high resistivity.
- It has a low melting point.
- It prevents electrical appliances from being damaged by a surge of high voltage current.
- It is made up of alloys of lead (Pb) and tin (Sn).
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संबंधित प्रश्न
A fuse is rated 8A. Can it be used with an electrical appliance rated 5 KW, 200 V ? Give a reason.
What is a fuse?
A fuse is a short piece of wire of high ______ and of material of low ______.
How is a fuse put in an electric circuit?
Explain the meaning of the statement ‘the current rating of a fuse is 5 A’.
Higher the current rating, _______ is the fuse wire.
What is an ‘electric fuse’? State its two characteristics of electric fuse.
Name the material of fuse. State one characteristic of the material used for fuse.
State the purpose of using a fuse in a circuit.
'A fuse is rated 8 A'. Can it be used with an electrical appliance of rating 5 kW, 200 V?
