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प्रश्न
What happens to the flow of electric current during a short circuit?
When does an electric short circuit occur?
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उत्तर १
The flow of current abruptly increases during a short circuit.
उत्तर २
If the insulation of the wires used in the circuit is damaged or the appliance used is faulty due to which the live wire and the neutral wire comes in direct contact as a result current in the circuit rises and the short circuit occurs.
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संबंधित प्रश्न
When does short circuiting take place?
What precaution should be taken to avoid the overloading of domestic electric circuits?
What is the function of an earth wire?
What name is given to the device which automatically cuts off the electricity supply during short-circuiting in household wiring?
What is the usual capacity of an electric fuse used in the power circuit, of a small house?
Give the symbol of an electric fuse used in circuit diagrams.
What is the electric potential of the wire in a mains supply cable?
When does an electric short circuit occur?
In which wire in a A.C. housing circuit is the switch introduced to operate the lights?
Usually three insulated wires of different colours are used in an electrical appliance. Name the three colours.
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.
Answer the following question:
What is overloading? When does it occur? How can overloading be avoided?
Earth wire carries ____________.
Which among these are the main characteristics of fuse element?
The most important safety method used for protecting home appliances from short-circuiting or overloading is ____________.
Switches are connected to ____________.
