Q-2(a) n electrons, each carrying a charge -e, are flowing across a unit Cross-section of a metallic wire in unit time from east to west. write an expression for electric current and also give its direction of flow. give reason for your answer.
(b) The charge possessed by an electrons is 1.6×10^-19 coulomb. find the number of electrons that will flow per second to constitute a current of 1 ampere.
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Q2
Explanation:
N ELECtrons each carring a charge e are flowing acroos unit
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