Two fuse wire of same length are rated 5 A and 20 A. Which of the two is thicker?

One Line Answer

The 20 A fuse wire will be thicker so that its resistance be low.

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Chapter 9: Household Circuits - EXERCISE - 9 (B) [Page 227]

Chapter 9 Household Circuits
EXERCISE - 9 (B) | Q 9. (i) | Page 227

To which wire should the fuse be connected?

For a fuse, higher the current rating ________ is the fuse wire.

Explain the meaning of the statement ‘the current rating of a fuse is 5 A’.

The rating of a fuse connected in the lighting circuit is ______.

Where are the cartridge type fuse used?

What is the rating of fuse used in power circuits, in domestic use?

What is an ‘electric fuse’? State its two characteristics of electric fuse.

Explain the significance of kWh meter, main switch and main fuse in house-circuiting.

(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.

Why is it not advisable to use a piece of copper wire as fuse wire in an electric circuit?