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State which has a higher resistance a 50...

State which has a higher resistance a 50 W or a 25 w lamp bulb and how many times?

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MODERN PUBLICATION-ELECTRICITY-EXERCISE
  1. A resistance of 10 ohm is bent in the form of a closed circle. What is...

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  2. Why is much less heat generated in long electric cables than in filame...

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  3. State which has a higher resistance a 50 W or a 25 w lamp bulb and how...

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  4. Pick out conductors and insulators from the following Metals, Glass, R...

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  5. Pick out conductors and insulators from the following Metals, Glass, R...

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  6. Pick out conductors and insulators from the following Metals, Glass, R...

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  7. Pick out conductors and insulators from the following Metals, Glass, R...

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  8. Pick out conductors and insulators from the following Metals, Glass, R...

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  9. Pick out conductors and insulators from the following Metals, Glass, R...

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  10. Name a source of emf.

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  11. What is SI unit of electric potential?

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

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  13. you are given three resistors of 10 ohm 10 ohm and 20 Ohm a battery of...

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  14. The electrical resistivity of few materials is given below in ohm-metr...

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  15. An electric geyser has rating 2000W, 220V marked on it. What should be...

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  16. Explain the following:How does the resistance of a wire vary with its ...

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  17. SI unit of current is:

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  18. A filament of an electric lamp draws a circuit of 0.4 amperes. Which l...

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  19. Name any one material having a small value of temperature coefficient ...

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  20. An electric bulb draws a current of 0.2A when the voltage is 220 volts...

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