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How many electrons pass through a lamp i...

How many electrons pass through a lamp in one minute, if the current is 300 mA ?

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SL ARORA-CURRENT ELECTRICITY-Problems For Self
  1. How many electrons pass through a lamp in one minute, if the current i...

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  2. One billion electrons pass from a point P towards another point Q in 1...

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  3. Calculate the number of free electrons passing through the filament of...

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  4. In the electrolysis of silver chloride, a charge of 4xx10^(5) C is flo...

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  5. In a hydrogen atom, the electron makes about 0.6xx10^(16) revolutions ...

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  6. An electron gun emits 2.0xx10^(16) electrons per second. What is the a...

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  7. An electric current of 2.0 mu A exists in a discharge tube. How much c...

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  8. An electron moves in a circular orbit of radius 10 cm with a constant ...

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  9. The current through a wire depends on time as I=I(0)+alpha t, where I(...

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  10. A current of 4.8 A is flowing in a copper wire of cross-sectional area...

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  11. A voltage of 30 V is applied across a colour coded carbon resistor wit...

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  12. The sequence of bands marked on a carbon resistor is yellow , red oran...

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  13. The resistance of a conductivity wire of length 1.1 m and of diameter ...

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  14. A metal wire of specific resistance 64xx10^(-6) Omega m and length 1.9...

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  15. A negligbly small current is passed through a wire of length 15 cm and...

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  16. Calculate the resistance of a 2 m long nichrome wire of radius 0.321 m...

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  17. Find the resistance of a hollow cylindrical conductor of length 1.0m a...

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  18. Calculate the electric field in a copper wire of cross-sectional area ...

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  19. A given copper wire of resistance R is stretched to reduce its diamete...

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  20. What will be the change in resistance of a constantan wire when its ra...

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  21. A wire of resistance 10 Omega is drawn out so that its length is thric...

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