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How many electrons pass through a …

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How many electrons pass through a conductor in 0.2s if the current passing through it is 0.5A?

Posted by Elizabeth Mary 5 years, 4 months ago

CBSE > Class 10 > Science

2 answers

Gaurav Seth 5 years, 4 months ago

A n s w e r :
Charge = current * time
charge = 0.5*0.2
charge = 0.1 coulumb
we have q = n e
0.1 = n ( 1.602*10^-19 )
n = 0.1 / 1.602*10^-19
By dividing it we get the following
n = 0.0624*10^19
n =6.24*10^17

1Thank You

Elizabeth Mary 5 years, 4 months ago

I=0.5A t=0.2s Q=t×I=0.2×0.5=0.10s Q=n×e n=q/e=0.1/1.6×10-¹⁹ =6.25×10¹⁷

1Thank You

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CBSE > Class 10 > Science