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Indian Navy 10+2 B.Tech Cadet Electrostatic Potential and Capacitance — practice questions

Explore 3 free Electrostatic Potential and Capacitance questions in Indian Navy 10+2 B.Tech Cadet Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Electrostatic Potential and Capacitance questions and exercises with answers

Showing questions 1–3 of 3.

Electric potential at infinity in the standard syllabus convention is taken asRead the answer and worked solution →Match each electrostatic termRead the answer and worked solution →True or false: electrostaticsRead the answer and worked solution →

Worked practice questions

Electric potential at infinity in the standard syllabus convention is taken as

  1. the work done against gravity
  2. +∞
  3. zero
  4. negative of the source potential
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Correct answer: C. zero

1. Potential is defined up to an additive constant; choosing V(∞) = 0 fixes the constant. 2. With this choice, V due to a +Q point charge is positive everywhere finite. 3. The other options have no physical basis. _Source: syllabus Physics Part I, Ch 2 §2.3_

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Match each electrostatic term

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Matching pairs
  1. Left
    Potential
    Right
    Work to bring unit charge from infinity
  2. Left
    Potential energy
    Right
    Energy a charge has due to its position
  3. Left
    Equipotential
    Right
    A surface where the potential is constant
  4. Left
    Capacitance
    Right
    Charge stored per unit potential difference
Instructions
Tap a term on the left, then tap what it means.
_Source: syllabus Physics Electrostatic Potential and Capacitance, electrostatic potential_

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True or false: electrostatics

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Questions
  1. Statement is true
    Yes
    Statement
    Potential at a point is the work done bringing unit charge from infinity.
  2. Statement is true
    Yes
    Statement
    No work is done moving a charge along an equipotential surface.
  3. Statement is true
    No
    Statement
    Electrostatic potential is a vector quantity.
  4. Statement is true
    Yes
    Statement
    A charge in a field has electrostatic potential energy.
Instructions
Decide whether each statement is true or false.
_Source: syllabus Physics Electrostatic Potential and Capacitance, electrostatic potential_

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