Question

how much work is done when a package of 9 electrons pass through 18 v battery

Answer 1

We know,

Potential difference = Work done/ Charge

And,

Charge = +- ne

where n is an integer and e is number of electrons

Charge = 9 × 1.6 × 10^-19 Coulomb's

Potential difference = Work done/ Charge

Work done = 18 × 9 × 1.6 × 10^-19

= 162 × 1.6 × 10^-19 JOULES

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Answer 2

Answer:

Answer is in the attachment