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Electrostatic Potential and Capacitance — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsElectrostatic Potential and Capacitance1 Mark
MCQ
Which of the following is correct statement:
  • A
    Equipotential lines are always perpendicular to the electric field.
  • B
    Work done for moving a charge along the conducting surface (closed and containing charge) very close to it may be negative or positive.
  • C
    Electric field may cross each other.
  • D
    None of the above.
✓

Answer

  1. Equipotential lines are always perpendicular to the electric field.

Explanation:

There is no potential gradient along any direction parallel to the surface, and no electric field is parallel with the surface, This means electric field are always at right angle to the equipotential surface.

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