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If an elctron revolves in a circle of ra...

If an elctron revolves in a circle of radius `pi//2` cm with uniform speed `6xx10^(5)m//s`. Find the electric currect. (Take, `pi^(2)=10`)

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DC PANDEY-CURRENT ELECTRICITY-Example
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  2. A wire carries a current of 2.0A. What is charge that has flowed throu...

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  3. If an elctron revolves in a circle of radius pi//2 cm with uniform spe...

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  4. (a) The amount of charge passed in time t through a cross-section of w...

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  5. The current in a wire varies with time according to the relation i=(3....

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  8. An aluminium wire of diameter 0.24 cm is connected in series to a copp...

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  9. What is the drift velocity of electrons in a silver wire of length 2 m...

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  10. The resistance of a wire is R ohm. What will be its new resistance if ...

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  11. Resistance of a conductor of length l and area of cross-section A is R...

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  12. All the edges of a block with parallel faces are unequal. Its longest ...

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  13. Calculate the electric field in a copper wire of cross-sectional area2...

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  14. A copper wire has a resistance of 10 Omega and an area of cross-secti...

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  15. A current of 1.0 ampere is flowing through a copper wire of length 0.1...

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  16. Find the relaxation time for free electrons in copper, if the density ...

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  19. Resistance of platinum wire in a platinum resistance thermometer at me...

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  20. The temperature coefficient of resistance of a wire is 0.00145^(@)C^(-...

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