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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?

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

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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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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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a) Write a comparative note on urbanisition in Brazil and India.

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

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Except Delhi and Chandigarh, urbanisation is low in other parts of India.

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

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Settlements are sparse in north-eastern Brazil.

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

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Urbanisation is increasing rapidly in India.

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

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