A wire carries a current of 0.2 A .find the time interval during which a charge of 5C pass through it
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3
Answer:
Explanation:
Given,
I=0.2A
t=30sec
q=1.6×10
−19
C
We know,
Charge= Current × Time
Q=I×t
⇒Q=0.2×30=6C
Therefore, If n electrons flow and q is the charge on one electron, then total charged passed,
Q=n⋅q
∴n=
q
Q
=
1.6×10
−19
6
=3.75×10
19
so, 3.75×10
19
electrons will flow through the cross section of the conductor.
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