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Two points P and Q are maintained at the...

Two points P and Q are maintained at the potentials of 10V and -4V, respectively. The work done in moving 100 electrons from P to Q is:

A

`-2.24xx10^(-16)J`

B

`2.24xx10^(-16)J`

C

`-9.6xx10^(-17)J`

D

`9.6xx10^(-17)J`

Text Solution

Verified by Experts

The correct Answer is:
B
`W=q_(Delta)V`
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NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-EXERCISE -2 (H.W)
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  2. An electron travelling from infinity with velocity v into an electric ...

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  3. Two points P and Q are maintained at the potentials of 10V and -4V, re...

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  4. A charge +q is placed at the origin O of x-y axes as shown in the figu...

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  5. Some equipotential surfaces are shown in figure. The electric field st...

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  6. A field of 100 V m^(-1) is directed at 30^(@) to positive x-axis. Find...

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  7. A uniform electric field of magnitude 5xx10^(3)N//C is directed along...

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  8. Find the V(ab) in an electric field E=(2hati+3hatj+4hatk)N/C, where ra...

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  9. A charge -2muC at the origin, -1muC at +7cm and 1muC at -7cm are place...

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  10. Four equal charges Q are placed at the four corners of a square of eac...

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  11. 2q and 3q are two charges separated by a distance 12 cm on x-axis. A t...

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  12. A particle of mass an charge q is projected vertically upwards .A unif...

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  13. A positive charge 'Q' is fixed at a point A negatively charged particl...

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  14. 10 C & -10C are placed at y = 1 & y = -1 m on y - axis. 1C charge is p...

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  15. Four particles, each of mass m and charge q, are held at the vertices ...

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  16. A particle of mass 2 g and charge 1 muC is held at rest on a frictionl...

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  17. v31

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  18. An electric dipole of length 2cm is placed with its axis making an ...

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  19. Two charges +3.2xx10^(-19)C and -3.2xx10^(-19)C placed 2.4A^(0) apart ...

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  20. Two spherical conductors A and B of radii 1mm and 2mm are separated by...

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