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Question: A parallel-plate capacitor has plate area 25.0cm2 and a separation of 2.00mm between the plates. The capacitor is connected to a battery of 12.0V. (a) Find the charge on the capacitor, (b) The plate separation is decreased to 100mm. Find the extra charge given by the battery to the positive plate.
Plate area A = 25cm2 = 2.5 × 10–3m
Separation d = 2mm = 2 × 10–3m
Potential v = 12v
(a) We know C = ε0A/d = (8.85 x 10-12 x 2.5 x 10-3)/(2 x 10-3) = 11.06 x 10-12F
C = q/v => 11.06 x 10-12 = q/12
=> q1 = 1.32 x 10-10c
(b) Then d = decreased to 1mm
∴ The extra charge given to plate = (2.65 – 1.32) × 10-10 = 1.33 × 10–10C.
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The annual meeting of Indian National Congress was being held. Raj Kumar Shukla from Champaran apprised Gandhiji of appalling conditions of share-croppers there. Gandhiji reached there. He came to know that the large estates were owned by the Englishmen and the Indians worked as their tenant farmers. They were required to pay 15% of their land yields. Gandhiji and the lawyers investigated into the grievances of the farmers. The Britishers decided that 25 per cent of the money would be refunded. The farmers became bold when they got their rights. Within a few years, the landlords relinquished their claims over the estates and the farmers became the owners.
Gandhiji viewed the social, economic and cultural backwardness of the area. He appointed volunteers to teach the villagers. Kasturba taught the Ashram rules and personal cleanliness and community sanitation. A doctor volunteered his services for six months to improve the health conditions of the people. They realized the value of self reliance. The lawyers helped the peasants in their cases. Women offered him whole hearted support. The countrymen embarked on the task of national freedom movement. It became a turning point in Gandhiji's life (Career).
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Question: Why do algae and fungi shift to sexual mode of reproduction just before the onset of adverse conditions?
Answer
Organisms such as fungi and algae switch to sexual mode of reproduction during adverse conditions because sexual reproduction brings variation into the individuals, some of which might help the individuals to adapt to the changed conditions and survive. This ensures the continuity of species.
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It is defined as the sum of the balance of trade (goods and services exports minus imports), net income from abroad, and net current transfers.
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Franz was a boy who lived in the district of Alsace. He studied in one of the schools in Alsace. He was not fond of attending school and studying. He liked the out world more than the environment of the school. Learning French was something he never gave much importance to. He was scared of his French teacher M. Hamel. The time when the people of Alsace came to know that as per the new law, German would be taught in the school in the place of French, he experienced a different feeling for French altogether. Apart from being surprised, he felt sorry for himself for not paying attention while studying French. He was very disappointed and sorry to attend the last lesson of French in his school.
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The way Charley came across Sam’s letter was surrounded in mystery. Among his oldest first-day covers, he found an envelope. The envelope containing the letter bore the address of his grandfather. It was written on July 18, 1894. The postmark showed the Picture of President Garfield. Generally, the first-day covers have blank papers in them, but this one contained a letter. The letter was addressed to Charley. In the letter, Sam had informed Charley that he was living on the third level. He had also told Charley and his wife to keep looking for the third level. Clearly, the letter was a product of Charley’s imagination.
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File handling in C enables us to create, update, read, and delete the files stored on the local file system through our C program.
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Recruitment process is a process of identifying the jobs vacancy, analyzing the job requirements, reviewing applications, screening, shortlisting and selecting the right candidate.
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Jack feels that he has been caught in an ugly middle position physically, emotionally as well as mentally. He is unable to run away from the harsh realities of his life, rather he has to accommodate himself in accordance with the prevailing conditions. He is conscious of his duties,both as a father and as a husband. Jack is divided into two difficult situations. His efforts to make Jo fall asleep prove quite fatiguing. She keeps on interrupting him, asking for clarifications, pointing errors and suggesting alternatives. Jo is dissatisfied with the ending of the story. Jack is unable to satisfy her and put her to sleep. On the other hand, his wife Clare is doing the work of painting the living room. She is pregnant. Jack does not like that woman should take anything for granted. He likes them to be apprehensive. So he extends the story and Clare complains that he has told a long story due to which he could not help Clare. Jack feels utter weariness and does not want to speak to his wife or work with her or even touch her. He is really caught in an ugly middle position.
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