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Some equipotential surfaces are shown in...

Some equipotential surfaces are shown in figure. The electric field strength is

A

100 V/m along x-axis

B

100 V/m along y-axis

C

400 V/m at an angle `120^(@)` with x-axis

D

`(400)/(sqrt(3))` V/m an angle `120^(@)` with x-axis

Text Solution

Verified by Experts

The correct Answer is:
C
`E= -(dV)/(d x)`
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NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-EXERCISE -2 (H.W)
  1. Two points P and Q are maintained at the potentials of 10V and -4V, re...

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

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

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

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

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

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

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

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  9. 2q and 3q are two charges separated by a distance 12 cm on x-axis. A t...

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

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

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  12. 10 C & -10C are placed at y = 1 & y = -1 m on y - axis. 1C charge is p...

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

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

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  15. v31

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

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

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

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  19. Two concentric spherical conducting shells of radii R and 2R carry cha...

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  20. Work performed when a point charge 2xx10^(-8)C is transformed from inf...

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