Advertisements
Advertisements
प्रश्न
Name any two appliances which work under the principle of heating effect of current.
Advertisements
उत्तर
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
संबंधित प्रश्न
Why is a series arrangement not used for connecting domestic electrical appliances in a circuit?
The elements of electrical heating devices are usually made of:
(a) tungsten
(b) bronze
(c) nichrome
(d) argon
Statement 1 : Electric current ( flow of electrons ) creates heat in the resistor.
Statement 2 : Heat in the resistor is created according to the rule of energy conservation.
Explain Statement 1 with the help of Statement 2.
Name the factors on which the heat produced in a wire depends when current is passed in it, and state how does it depend on the factors stated by you.
Name any six domestic appliances based on the heating effect of electric current.
These days when current in the circuit suddenly increases _______ switches are used.
How does use of a fuse wire protect electrical appliances?
If 220 V potential difference is applied across an electric bulb, a current of 0.45 A flows in the bulb. What must be the power of the bulb?
Find the odd one out.
Write an expression for the amount of heat produced in a resistor when an electric current is passed through it stating the meanings of the symbols used.
