Question

If the work done to move a charge of 0.2 micro coulomb from one point to another of 8 Millie joule, then the potential difference b/w the points is

Answer 1

Given,

magnitude of charge, Q = 0.2 μC

workdone to move the charge from point A to B, W = 8 mJ

To find,

potential difference between the points.

using formula,

workdone to move a charge , W = q∆V

⇒8mJ = 0.2 μC × ∆V

⇒8 × 10¯³ = 2 × 10^-7 × ∆V

⇒4 × 10⁴ = ∆V

therefore potential difference between the points is 40000 volts.

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