Advertisements
Advertisements
प्रश्न
The safety device based on the heating effect of electric current is called a ______.
Advertisements
उत्तर
The safety device based on the heating effect of electric current is called a fuse.
Explanation:
Fuse is a safety device, which limits current in the circuit and breaks the circuit if the current exceeds its maximum limit.
APPEARS IN
संबंधित प्रश्न
An electric iron of resistance 20 Ω takes a current of 5 A. Calculate the heat developed in 30 s.
Why is the tungsten used almost exclusively for filament of electric lamps?
The heat produced by passing an electric current through a fixed resistor is proportional to the square of:
(a) magnitude of resistance of the resistor
(b) temperature of the resistor
(c) magnitude of current
(d) time for which current is passed
Which electric heating device in your home do you think have resistors which control the flow of electricity?
Identify the figure and give its use.
Answer the following question:
what is the heating effect of the electric current? state any four applications of it?
What does overloading cause?
Name some devices that run using heat effect of electric current
Fuse is a strip of alloy wire which is made up of lead and tin with a very low ______.
An electric iron of resistance 20 Ω draws a current of 5 A. The heat developed in the iron in 30 seconds is ______.
