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A Point charge produces an electric fie...

A Point charge produces an electric field in room ,What is its direction?

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`E=1/(4piepsilon_0)q/r^2 `
` 5.0=9xx10^9xxq/(0.4xx0.4) `
` q=8.9xx10^-11C`
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HC VERMA-ELECTRIC FIELD AND POTENTIAL-Exercises
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  2. Two particles A and B having charges of +2.00 xx 10^(-6) C and of - 4....

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  3. A Point charge produces an electric field in room ,What is its direct...

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  4. A water particle of mass 10.0 mg and having a charge of 1.50 xx 10^(-6...

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  5. Three identical charges, each having a value 1.0 xx10^(-8)C, are place...

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  6. Positive charge Q is distributed uniformly over a circular ring of rad...

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  7. A rod of length L has a total charge Q distributed uniformly along its...

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  9. Consider a uniformly charged ring of radius R. Find the pint on the ax...

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  10. A wire is bent in the form of a regular hexagon and a total charge q i...

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  12. A positive charge q is placed in front of cinducting solid cube at a d...

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  13. A pendulum bob of mass 80mg and carrying a charge of 2xx 10^(-8)C is a...

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  14. A particle of mass m and charge q is thrown at a speed u against a uni...

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  15. A particle of mass 1 g and charge 2. 5 xx10^(-4) C is released from re...

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  16. A ball of mass 100g and having a charge of 4.9xx 10^(-5) C is released...

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  17. The bob of a simple pendulum has a mass of 40 g and a positive char...

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  18. A block of mass m having a charge q is placed on a smooth horizontal t...

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  19. A block of mass m containing a net positive charge q is placed on a sm...

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  20. A Uniform electric field of 10NC ^(-1) exists in the vertically downwa...

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