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In order to get a current of 0.5A in a c...

In order to get a current of 0.5A in a circuit by connecting a bulb of resistance `20Omega` with 12V battery, what should be the resistance to be connected in series? What will be the voltage drop across the bulb?

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`R = 4 Omega, V =10 V`
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KUMAR PRAKASHAN-ELECTRICITY-ADDITIONAL QUESTION AND ANSWERS (Solve the following examples:)
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  2. Two resistors of 1 kOmega and 200Omega are connected in series with a ...

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  3. For the circuit shown in figure given below, calculate (a) the total r...

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  4. Two 60W bulbs are used for 4hours everyday and five 100W bulbs are use...

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  5. 24W power is consumed by a bulb when it is connected with 12V battery....

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  6. Find the equivalent resistance of the circuit shown in the following f...

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  7. In the following circuit A, B and C are three ammeters. 0.5A current i...

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  8. In the following circuit A, B and C are three ammeters. 0.5A current i...

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  9. If an electric bulb gives light for 1hour while carrying 0.5A current,...

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  10. An electric current of 64mA flows through a bulb for 10minutes. How ma...

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  11. In order to get a current of 0.5A in a circuit by connecting a bulb of...

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  12. Three resistors are connected in parallel with a 30V battery. A curren...

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  13. For the circuit shown in the following figure, determine the eqUivale...

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  14. Determine the equivalent resistance between point A and B in the follo...

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  15. In a house, if three bulbs of lOOW, 60W and 40W respectively are used ...

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  16. Find the electric current in the following circuit:

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  17. Determine the equivalent resistance between points X and Y in the foll...

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  18. An electric heater consumes 4.4 kW power when connected with a 220V li...

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  19. An electric heater consumes 4.4 kW power when connected with a 220V li...

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  20. An electric heater consumes 4.4 kW power when connected with a 220V li...

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