Two fuse wires are rated 5 A and 20 A. Which of the two is longer ?

One Line Answer

The two wires could have the same length.

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

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

State the characteristics required in a material to be used as an effective fuse wire.

What is a fuse?

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

How does the thickness of a fuse wire depend on its current rating?

Where are the cartridge type fuse used?

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.

State the purpose of using a fuse in a circuit.

How does the length of a fuse wire depend on its current rating?