Advertisements
Advertisements
Question
State the characteristics required in a material to be used as an effective fuse wire.
Advertisements
Solution
Characteristics required in a material to be used as an effective fuse wire are
1) High resistivity
2) Low melting point
APPEARS IN
RELATED QUESTIONS
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.
How is a fuse put in an electric circuit?
Two fuse wire of same length are rated 5 A and 20 A. Which of the two is thicker?
(i) Write one advantage of connecting electrical appliances in parallel combination.
(ii) What characteristics should a fuse wire have ?
(iii) Which wire in a power circuit is connected to the metallic body of the appliance ?
Why fuse wire must always be connected in ‘live’ wire? Explain.
What is an ‘electric fuse’? State its two characteristics of electric fuse.
(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.
Name the material of fuse. State one characteristic of the material used for fuse.
Name two safety devices which are connected to the live wire of a household electric circuit.
