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

A fuse is rated 8A. Can it be used with an electrical appliance rated 5 KW, 200 V ? Give a reason.

How is a fuse put in an electric circuit?

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

Higher the current rating, _______ is the fuse wire.

Why fuse wire must always be connected in ‘live’ wire? Explain.

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.

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

Name two safety devices which are connected to the live wire of a household electric circuit.