Applications of The Heating Effect of Current
Applications of The Heating Effects of Current
The heat generated when current passes through a resistive material is used in any many common devices. The material through which the current passes is surrounded by an insulating substance in order to prevent the current from flowing through the person who is cooking to the earth when he or she touches the pan.
Hair dryer, in which a fan blows air past heating coils. In this case the warm air can be used to dry hair, but on a broader scale this same principle is used to dry clothes and to heat buildings.
Other practical application includes heater, toaster, electric kettle etc.
Uses of Heating Effect:
Some of important applications of heating effect of electric current are :
Which of the following are correct ? (a) The heating effect of electric current is utilized in a safety device called' electric fuse'. (b) The electric bulb has a filament made of tungsten. | |||
| Right Option : C | |||
| View Explanation | |||
Electric heater is used to convert electrical energy to ______________ | |||
| Right Option : A | |||
| View Explanation | |||
In the glass case of the bulb, light is produced due to the glowing of ___________________ | |||
| Right Option : B | |||
| View Explanation | |||
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