Question

Ques. No. 4. Give reasons for the following:
(a) Why does the chord of an electric water not glow while heating element does?
(b) Why is the series arrangement not used in domestic wiring.
(c) Explain how does fuse wire protect electrical appliances?

Answer 1

Dear student,

A. the tungsten wire is heating element .and the nichrome wire is glowing element.thats why bulb glows and the heater element doesnotd

B.series wirings is not used because it have demerits

If one of the appliance is switched of whole circuit get off.

Unequal voltage distribution.

Current will be same for all devices .

C.

The fuse wire is placed at the main line . If the current is larger than is 5A the wire melted and the circuit breaks.

Reagrds