Acharge of 8 mC is located at theorigin. Calculate the work done in taking a small charge of – 2 × 10-9 C from a point P(0,0,3 cm) to a point Q (0,4 cm, 0), via a point R (0,6 cm, 9 cm).
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Acharge of 8 mC is located at theorigin. Calculate the work done in taking a small charge of – 2 × 10-9 C from a point P(0,0,3 cm) to a point Q (0,4 cm, 0), via a point R (0,6 cm, 9 cm).
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Solution:
As electric field is conservative field, so work done in moving a charge in electric field is independent of path chosen to move the charge in electric field and depends only on the electric potential difference between the two end points. So
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NCERT Solutions for 12th Class Physics: Chapter 2-Electrostatic Potential and Capacitance