How many electrons pass through a lamp in one minute, if the current is 300 m A?
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Here, `I= 300 mA = 300 xx 10^(-3)A` , `t=60 s, n=?` `I= ("ne")/(t)` or `n= (It)/(e) = ((300 xx 10^(-3))xx60)/(1.6 xx 10^(-19))` `1.125 xx 10^(20)`
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