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प्रश्न
How can the effects of overloading be avoided?
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उत्तर
The effects of overloading can be avoided by connecting a fuse in series with the circuit.
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संबंधित प्रश्न
What happens to the flow of electric current during a short circuit?
Name safety measures commonly used in electric circuits and appliances.
What precaution should be taken to avoid the overloading of domestic electric circuits?
What is the function of an earth wire?
Describe how an electromagnet could be used to separate copper from iron in a scrap yard.
What name is given to the device which automatically cuts off the electricity supply during short-circuiting in household wiring?
In household circuits, is a fuse wire connected in series or in parallel?
Usually three insulated wires of different colours are used in an electrical appliance. Name the three colours.
What is the usually colour of the insulation of :
(a) live wire
(b) neutral wire
(c) earth wire?
Give two reasons why different electrical appliances in a domestics circuit are connected in parallel.
Fill in the following blank with suitable words:
A fuse should always be places in the ........... wire of a mains circuit.
Fill in the following blank with suitable words:
The earth wire should be connected to the ........... of an appliance.
State the voltage at which electricity is supplied to our houses.
A fuse should always be placed in the ____________.
Earth wire carries ____________.
Switches are connected to ____________.
The most important safety method used for protecting home appliances from short circuiting or overloading is
Why is it necessary to earth metallic appliances?
