A current of 4A flows around a circuit in 10 seconds. How much charge flows
past a point in the circuit in this time? Also find the number of electrons passes in
the circuit. .
Answers
Answered by
5
dq/dt = i
q=t×i
=10×4 =40 C charge
No of electrons = ne
ne = 40
n × 1.6 + 10^-19 = 40
n= 25 × 10^19 electrons
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Answered by
12
Answer:
Q = 40 C
n = 25 × 10^19 electrons
Explanation:
Given:
I = 4A
t = 10sec
Q = It
Q = 4×10
Q = 40 C
Q = ne
n= Q/ e = 40 / 1.6 × 10^-19
n = 25 / 10^-19
n = 25 × 10^19
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