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State the condition for maximum current ...

State the condition for maximum current to be drawn from the cell.

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`I = (E )/(R+ r ) ` for I maximum R = 0 i.e., for maximum current the terminals of a cell must be short circuited.
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CBSE COMPLEMENTARY MATERIAL-ELECTROSTATICS AND CURRENT ELECTRICITY -NUMERICALS
  1. State the condition for maximum current to be drawn from the cell.

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  2. What should be the position of charge q = 5 mu C for it to be in...

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  3. Two point charges 4e and e each, at a separation r in air, exert force...

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  4. Two capacitors of capacitance 10 mu F and 20 muF are connected...

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  5. Two point charges 6 mu C and 2 mu C are separated by 3 cm i...

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  6. ABC is an equilateral triangle of side 10 cm. D is the mid poin...

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  7. A point charge of 2 muC is kept fixed at the origin. Anothe...

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  8. A 5 MeV alpha particle is projected towards a stationary nucl...

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  9. To what potential must a insulated sphere of radius 10 cm be...

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  10. A slab of material of dielectric constant K has the same area as the ...

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  11. A point charge developes an electric field of 40 N/C and a potential d...

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  12. Figure shows three circuits, each consisting of a switch and two capac...

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  13. For what value of C does the equivalent capacitance between A and B is...

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  14. A pendulum bob of mass 80 mg and carrying charge of 3 xx 10 ^(-8) C ...

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  15. Eight chraged water drops, each with a radius of 1 mm and a charge of ...

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  16. What potential difference must be applied to produce an electric field...

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  17. A 10 mu F capacitor can withstand a maximum voltage of 100 V acro...

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  18. Three concentric spherical metallic shells A, B and C of radii a, b an...

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  19. Four point charges are placed at the corners of the square of edge a a...

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  20. Find the potential at A and C in the following circuit :

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  21. Fig. shows two parallel plate capacitors X and Y having same area of p...

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