We receive power in our house through a main supply, commonly called mains. We receive AC voltage 220V and frequency 50 Hertz. We have three wires for our domestic circuits. These wires (live and neutral) pass into an electricity meter (connected in homes) through a main fuse. They are connected to the live wires in the home through a main switch. Usually, there are two separate circuits in a house,
. 15A Circuit which have higher power ratings.(geysers, refrigerators,ACs)
. 5A Circuit, which have lower power rating.(TV, bulbs, fans)
Each distribution circuit is provided with a separate fuse, so that, if a fault like short circuiting occurs in one circuit, its corresponding fuse blows off but the other circuit remains unaffected. Various distribution circuits are connected in parallel. All the electrical appliances like bulbs, fans and sockets, etc. are connected in parallel across the live wire and neutral wire.
The wiring inside a house is done according to the needs of its different areas. The electric wires entering the house go through a meter board. Here the live wire goes through a main fuse (or circuit breaker) and a meter that records the electric power consumed. Electricity bills are paid based on the readings of this meter. Removing the main fuse from its socket cuts the supply to the whole house. The main fuse blows when the sum of currents being drawn by the different circuits in the house exceeds a limit.
After the meter, you generally have a distribution box. Here the live wire is connected to a number of wires for distribution of the supply to different sections of the house. Each of these wires thus becomes live. A fuse is connected to each of them. The live wires go to different sections of the house. This distribution method has an advantage. If there is an electrical fault in one section of the house, only the fuse connected to its live wire blows. The supply to the rest of the house remains unaffected.
The commercial unit of electrical energy is __________. | |||
Right Option : B | |||
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_______________ require circuit, with lower power rating. | |||
Right Option : D | |||
View Explanation |
__________________ require circuit having higher power ratings. | |||
Right Option : D | |||
View Explanation |
It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
We started with lot of hope that Abhyas will help in better understnding of complex topics of highers classes. we are not disappointed with the progress our child has made after attending Abhyas. Though need to mention that we expected a lot more. On a scale of 1-10, we would give may be 7.
Abhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
Usually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...
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I have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
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My experience with Abhyas academy is very nice or it can be said wonderful. I have been studying here from seven class. I have been completing my journey of three years. I am tinking that I should join Abhyas Academy in tenth class as I am seeing much improvement in Maths and English
Abhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
Third consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
Abhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
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It has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
One of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.