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प्रश्न
State the characteristics required in a material to be used as an effective fuse wire.
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उत्तर
Characteristics required in a material to be used as an effective fuse wire are
1) High resistivity
2) Low melting point
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संबंधित प्रश्न
Explain the meaning of the student 'current rating of a fuse is 5A'.
For a fuse, higher the current rating ________ is the fuse wire.
Name the factors on which the heat produced in a wire depends when current is passed in it, and state how does it depend on the factors stated by you.
What is a fuse?
A fuse is connected in ______ with the ______ wire.
An electric kettle is rated 3 kW, 250 V. Give reason whether this kettle can be used in a circuit which contains a fuse of current rating 13 A.
What is the rating of fuse used in power circuits, in domestic use?
(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.
State the purpose of using a fuse in a circuit.
Name two safety devices which are connected to the live wire of a household electric circuit.
