Question

guys plz do it fast.............



plz give with concept.


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Answer 1

As electrostatic force are conservative forces so the work done in moving q Is independent of path followed

Therefore consider only two points P and S

As, workdone = force *displacement

here force will be qE

displacement is a

$\sqrt{ {a}^{2} + {b}^{2} }$

so

work done will be

qE$\sqrt{ {a}^{2} + {b}^{2} }$

so ans. will be C

Answer 2

Explanation:

As electrostatic force are conservative forces so the work done in moving q Is independent of path followed

consider only two points P and S

As, workdone = force *displacement

here force will be qE

displacement is a

\sqrt{ {a}^{2} + {b}^{2} }

a

2

+b

2

so

work done will be

qE\sqrt{ {a}^{2} + {b}^{2} }

a

2

+b

2

so ans. will be C

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