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a. Tungsten metal is used to make a solenoid type coil in an electric bulb.

asked Sep 26, 2021 in Chapter 4: Effects of electric current by Doubtly (98.9k points)

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6. How does the short circuit form? What is its effect?

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5. Which device is used to produce electricity? Describe with a neat diagram. a. Electric motor b. Galvanometer c. Electric Generator (DC) d. Voltmeter

asked Sep 26, 2021 in Chapter 4: Effects of electric current by Doubtly (98.9k points)

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4. Explain the difference : AC generator and DC generator.

asked Sep 26, 2021 in Chapter 4: Effects of electric current by Doubtly (98.9k points)

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Electromagnetic induction means-

asked Sep 26, 2021 in Chapter 4: Effects of electric current by Doubtly (98.9k points)

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An electric iron of 1100 W is operated for 2 hrs daily. What will be the electrical consumption expenses for that in the month of April?

asked Sep 25, 2021 in Chapter 4: Effects of electric current by anonymous

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Who will spend more electrical energy? 500 W TV Set in 30 mins, or 600 W heater in 20 mins?

asked Sep 25, 2021 in Chapter 4: Effects of electric current by anonymous

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Two tungsten bulbs of wattage 100 W and 60 W power work on 220 V potential difference. If they are connected in parallel, how much current will flow

asked Sep 25, 2021 in Chapter 4: Effects of electric current by anonymous

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Heat energy is being produced in a resistance in a circuit at the rate of 100 W. The current of 3 A is flowing in the circuit. What must be the value of

asked Sep 25, 2021 in Chapter 4: Effects of electric current by anonymous

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4. Study the following graph and analyse in short.

asked Sep 24, 2021 in Chapter 8: Economy and Occupations by Doubtly (98.9k points)

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There is mixed economy in Brazil and India.

asked Sep 24, 2021 in Chapter 8: Economy and Occupations by Doubtly (98.9k points)

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Per capita land availability is more in Brazil as compared to India.

asked Sep 24, 2021 in Chapter 8: Economy and Occupations by Doubtly (98.9k points)

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asked Sep 24, 2021 in Chapter 8: Economy and Occupations by Doubtly (98.9k points)

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Why has mining not developed in the western part of Brazil?

asked Sep 24, 2021 in Chapter 8: Economy and Occupations by Doubtly (98.9k points)

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Prepare a speech you wish to give on the farewell Day function of your school

asked Sep 24, 2021 in speech by Doubtly (98.9k points)

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Write a letter to the Secretary of your Housing Society informing him about the news and drawing his attention to the problem. Request him to take the necessary

asked Sep 24, 2021 in Letter Writing by Doubtly (98.9k points)

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Letter Writing (5 Marks) Look at the Notice Issued by the Supervisor of Your School

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Application for Leaving Certificate to the principal

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C) Why do human settlements grow in specific locations only?

asked Sep 24, 2021 in Chapter 7: Human Settlements by Doubtly (98.9k points)

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b) Diffrentiate between the human settlements in Ganga river basin and The Amazon river basin.

asked Sep 24, 2021 in Chapter 7: Human Settlements by Doubtly (98.9k points)

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