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Standard XII

Physics

Potential Energy of a Point Charge Placed at a Point with Non Zero Potential

If a 3C charg...

Question

If a 3C charge moves from a point of potential $V_{1}$ to another point of potential $V_{2}$ , the change in P.E of the system will be?

$3 (V_{1} - V_{2})$

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$3 (V_{2} - V_{1})$

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$3 V_{1}$

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3 V_{2}

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Solution

The correct option is B
$3 (V_{2} - V_{1})$

Change in P.E is given by
$Δ V = q Δ V = q (V_{2} - V_{1})$
$Δ V = 3 (V_{2} - V_{1}) .$

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If a 3C charge moves from a point of potential V1 to another point of potential V2, the change in P.E of the system will be?

The correct option is B 3(V2−V1) Change in P.E is given by ΔV=qΔV=q(V2−V1) ΔV=3(V2−V1).

If a 3C charge moves from a point of potential $V_{1}$ to another point of potential $V_{2}$ , the change in P.E of the system will be?

The correct option is B
$3 (V_{2} - V_{1})$

Change in P.E is given by
$Δ V = q Δ V = q (V_{2} - V_{1})$
$Δ V = 3 (V_{2} - V_{1}) .$