Advertisements
Advertisements
Question
Name any two appliances which work under the principle of heating effect of current.
Advertisements
Solution
The principle of all electric heating appliances like iron box, water heater, toaster etc. work under the principle of heating effect of current.
APPEARS IN
RELATED QUESTIONS
Why are the coils of electric irons and electric toasters made of an alloy rather than a pure metal?
Name the material which is used for making the filaments of an electric bulb.
The elements of electrical heating devices are usually made of:
(a) tungsten
(b) bronze
(c) nichrome
(d) argon
Which electric heating device in your home do you think have resistors which control the flow of electricity?
Give scientific reason :
In the electric equipment producing heat e.g. iron, electric heater, boiler, toaster, etc., an alloy such as Nichrome is used, not pure metals.
The electricity bill specifies the usage in _______.
Which of the following substance contracts on heating?
Define fuse.
An electric kettle consumes 1 kW of electric power when operated at 220 V. A fuse wire of what rating must be used for it?
When a current I flows through a wire of resistance R for time t then the electrical energy produced is given by ______.
