Question

Calculate the work done in moving a charge of 5 C from a point at 20 V to another at 30V.​

Answer 1

Answer:

work done is the charge multiply by the potential difference

Explanation:

answer is (30-20)×5=50joules

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Answer 2

Answer:

50 Joules

Explanation :

We know that potential difference (v) is the work done(W) to move a unit positive charge(Q) from one point to another.

1 volt of potential difference(V) is 1 joule of work done(W) to move 1 coulomb of charge (Q) from one point to another.

Here,

Potential difference (V) = 30V - 20V

= 10 V

Charge (Q) = 5 coulomb

We know that,

Potential difference (V) =

= Work done (W) / Charge (Q)

=> V = W/Q

By the applying the values in the equation , we get,

=> 10 V = W / 5 Q

=> W = 50 VQ

=> W = 50 Joules (VQ = Joules)

Hence, total work done = 50 Joules