how many electron passes through a lamp in 1 minute if the current each 300MA
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Given,
time=1 min= 60 sec
current=300mA
1 milliampere =10^-3 C
Current=1 coulomb charge passes in 1 sec
I = q/t...... q=I×t
I=300×10^-3
we have,
q=300×10^-3×60
=18000×10^-3
q=ne..... n=q/e
n= 18000×10^-3/1.6×10^-19
=11250×10^-16
=1.125×10^-18
time=1 min= 60 sec
current=300mA
1 milliampere =10^-3 C
Current=1 coulomb charge passes in 1 sec
I = q/t...... q=I×t
I=300×10^-3
we have,
q=300×10^-3×60
=18000×10^-3
q=ne..... n=q/e
n= 18000×10^-3/1.6×10^-19
=11250×10^-16
=1.125×10^-18
rohitrathore02:
Is this right answer...
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