Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET
Exam
NEET
Subject
Physics
Chapter
Capacitance

NEET · Physics · Capacitance

What is the work done in bringing a charge of 2 × 10⁻⁹ C from...

What is the work done in bringing a charge of 2 × 10⁻⁹ C from infinity to a point P where the potential due to a charge of 4 × 10⁻⁷ C located 9 cm away is 4 × 10⁴ V?

Options

  1. A8 × 10−5{{10}^{-5}} J
  2. B3.6 ×10−5{{10}^{-5}} J
  3. C1.8 × 10−5{{10}^{-5}}J
  4. D4.5 × 10−5{{10}^{-5}}J

Correct answer

A. 8 × 10−5{{10}^{-5}} J

Step-by-step solution

Correct Option is : (A)
8 × 10−5{{10}^{-5}} J
Practice Capacitance on Quantrex Academy →

More from Capacitance

A parallel plate capacitor of area A, plate separation d and capacitance C is filled with… MHT CET Medical 2026Three identical parallel plate air capacitors are connected in series to a battery of… MHT CET Medical 2026Four identical capacitors are joined in series, across a battery of 20\ V . The… MHT CET Medical 2026The equivalent capacitance between 'P' and 'Q' is [A-area of each plate, d-separation… MHT CET Medical 2026The air capacitor has a capacitance of 2μ F. Now the space between two plates of… MHT CET Medical 2026A parallel-plate air capacitor has a capacity ' C ', distance with a separation ' x ', a… MHT CET Medical 2026A series combination of 10 capacitors, each of value ' C_1 ' is charged by a source of… MHT CET Medical 2026Two capacitors of capacity C and C/3 are connected to a battery of voltage V as shown.… MHT CET Medical 2026 Full Capacitance list All NEET PYQs