Advertisements
Advertisements
प्रश्न
Answer the following question:
What is overloading? When does it occur? How can overloading be avoided?
Advertisements
उत्तर
- When the current in the circuit exceeds, the load exceeds the specified limit and overloading occurs.
- If many electrical appliances of high power ratings such as geyser, iron, air conditioner, etc, are switched on simultaneously overloading may occur.
- The effects of overloading can be avoided by connecting a fuse in series with the circuit.
APPEARS IN
संबंधित प्रश्न
When does short circuiting take place?
How can the effects of overloading be avoided?
Why should the wires carrying electricity not be touched barefooted?
An electric oven of 2 kW is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect? Explain.
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?
What is the usual capacity of an electric fuse used (i) in the lighting circuit
Give the symbol of an electric fuse used in circuit diagrams.
Along with live wire and neutral wire, a third wire is also used in domestic electric wiring. What name is given to this third wire?
What is the electric potential of the wire in a mains supply cable?
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.
Earth wire carries ____________.
Overloading is due to
The most important safety method used for protecting home appliances from short-circuiting or overloading is ____________.
How does an electric fuse prevent the electric circuit and the appliances from a possible damage due to short circuiting or overloading.
