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Draw a schematic diagram of a circuit co...

Draw a schematic diagram of a circuit consisting of a battery of three cells of 2V each, a 5`Omega` resistor, an `8Omega` resistor and a `12Omega` resistor, and a plug key, all connected in series.

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Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V each, a 5Omega,8Omegaand12Omega and a plug key, all connected in series.

Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of 2Omega in series with a combination of two resistors [ 4Omega each] in parallel and a voltmeter across the parallel combination. Will the potential difference across the 2Omega resistor be the same as that across the parallel combination of 4Omega resistors? Give reason.

Calculate the resultant resistance of 3 resistors 3 Omega , 4 Omega and 12 Omega connected in parallel.

A 4 V battery of internal resistance 1 Omega sends a current through a 3 Omega resistor. The terminal p.d. is

A network of resistors is connected to a 12V battery as shown in the figure. Obtain current in 12Omega and 6Omega resistors.

OSWAAL PUBLICATION-ELECTRICITY-NCERT CORNER ( Intext Questions )
  1. Name a device that helps to maintain a potential difference across a c...

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  2. What is meant by saying that the potential difference between two poin...

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  3. How much energy is given to each coulomb of charge passing through a 6...

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  4. On what factors does the resistance of a conductor depend?

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  5. Will current flow more easily through a thick wire or a thin wire of t...

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  6. Let the resistance of an electrical component remains constant while t...

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  7. Why are coils of electric toasters and electric irons made of an alloy...

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  8. Use the data in Table 12.2 to answer the following- (a) Which among ...

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  9. Draw a schematic diagram of a circuit consisting of a battery of three...

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  10. Redraw the circuit of question 1, putting in an ammeter to measure the...

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  11. Judge the equivalent resistance when the following are connected in pa...

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  12. An electric lamp of 100Omega , a toaster of resistance 50Omega, and a ...

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  13. What are the advantages of connecting electrical devices in parallel w...

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  14. How can three resistors of resistances 2Omega,3Omegaand6Omega be conne...

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  15. What is the lowest total resistance that can be secured by combination...

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  16. Why does the cord of an electric heater not glow while the heating ele...

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  17. Compute the heat generated while transferring 96000 coulomb of charge ...

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  18. An electric iron of resistance 20Omega takes a current of 5 A. Calcula...

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  19. What determines the rate at which energy is delivered by a current?

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  20. An electric motor takes 5 A from a 220 V line. Determine the power of ...

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