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when you press one of the buttons of a pocket calculator, the battery provides a current of 300 mu A for 10m/a (a) how many charge flow during that time (b) how many electrons slow in that time.


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Rashi 8th Jun, 2020
Answer (1)
Dhruvisha Vasoya 18th Jul, 2020

Hello Rashi,

Hope you are in good of your health. Here in the question we are given value of current(I) and time. So we can calculate value of charge flowing by the formula

Q = I x t

The number of electrons flowing can be calculated as

no of electrons = Q/(1.6 x 10^-19)

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