Physics, asked by nishasinghkld2, 5 months ago

A 2V cell is connected to A 1 ohm resistor. how many electron come out of the negative terminal of the cell in 2 minutes​

Answers

Answered by manishk420005
4

Answer:

7.5 x 10^20 electrons

Explanation:

t = 2 min = 120 sec.

V = IR       from ohm's law

I = V/R = 2/1 = 1 Ampere

I = Q/t

=> ne/t = I

=> n = It/e = 1 x 120 / 1.6 x 10^-19

=> n = 7.5 x 10^20

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