Question

Please guys answer it....
Three 2V cells are connected in series and used as a battery in a circuit.
a) what is p.d. at the terminals of the battery?
b) how many joules of electrical energy does 1C gain on passing through I) one cell ii) three cells
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Please answer it....

Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

(a) If three cells of 2 volt each are connected in series to make a battery, then the total potential difference between terminals of the battery will be 6V. 

(b) (i) Given: p.d. = 2V, Charge moved = 1C 

We know that 

Work done = p.d. x charge moved = 2 x 1 

Work done = 2 joules 

(ii) Given: p.d. = 6V, 

Charge moved = 1C 

Work done = p.d. x charge moved = 6 x1 

Work done = 6 joule. 

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