Question

How much work is done in moving a charge of 2 C across 2 points having a potential difference of 15 V

Answer 1

Given

☞ Charge passed = 2 C

☞ Potential difference = 15 v

To find

☞ Work done to move frome one point to another.

Concept

☛ Potential difference in an electric field is defined as amount of work done for moving one unit of charge from one point to another point.

☛ Potential difference, V = Work done (W)/Charge(Q)

Solution

Now we have ;

⟼ Potential difference (V) = 15v

⟼ Charge (Q) = 2 C

Now substituting values,

☞ 15 = W/2

☞ W = 15 × 2

☞ W = 30 Joules.

∴ Work done in moving charge to another point = 30 J

Answer 2

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How much work is done in moving a charge of 2 C across 2 points having a potential difference of 15 V ..

_______________

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✒Given : -

• Potential Difference = 15 v
• Charge Passed = 2 C

✒To Find : -

• Work Done in Moving Charge = ?

✒Formula Used : -

$\leadsto\sf{{ \small{ \bold{ \bold{ \bold{ \green{Potential\:Difference=\dfrac{Work\:Done}{Charge\:Passed}}}}}}}}$

✒On Substituting Values : -

$\dashrightarrow\sf{15=\dfrac{W}{2}}$

$\dashrightarrow\sf{W=15\times{2}}$

$\dashrightarrow\sf\bold{W=30\:J}$

✒Hence , Work Done in Moving Charge is 30 J ...