Advertisements
Advertisements
प्रश्न
Explain the meaning of the student 'current rating of a fuse is 5A'.
Advertisements
उत्तर
The prescribed limit for the maximum amount of current to be passed through the given fuse connected in the live wire is 5 A, i.e. its current-carrying capacity is 5 A. Thus, if a current of more than 5 A passes through, the fuse will blow off.
APPEARS IN
संबंधित प्रश्न
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.
A fuse is a short piece of wire of high ______ and of material of low ______.
Describe with the aid of a diagram some form of a fuse which is used in the electric lighting circuit of a house. Give two reasons why a fuse must not be replaced by an ordinary copper wire.
Two fuse wire of same length are rated 5 A and 20 A. Which of the two is thicker?
What is the rating of fuse used in light and fan circuits?
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.
Identify the option that displays the correct wiring with correct colour code:
State the purpose of using a fuse in a circuit.
Why is it not advisable to use a piece of copper wire as fuse wire in an electric circuit?
