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Sagot :
Answer:
Therefore, the number of electrons moving through the receiver circuit per second is 6250 electrons/s.
Explanation:
Given:
Power of radio wave, P = 1 × 10⁻²⁴ W
Potential of signal, V = 1 × 10⁻⁹ V
Solution:
Consider the number of electrons flowing through the receiver circuit per second be 'n'.
The current flowing through the circuit will be:
I = P/V
= (1 × 10⁻²⁴ W)/(1 × 10⁻⁹ V)
= 1 × 10⁻¹⁵ A
Then, the number of electrons moving through the receiver circuit can be calculated as:
ne = I
where, e is charge on an electron
I is current flowing through the circuit
Applying values in above equation we get:
n(1.6×10⁻¹⁹ C) = (1 × 10⁻¹⁵ A)
n = (1 × 10⁻¹⁵ A)/(1.6×10⁻¹⁹ C)
n = 6250 electrons/s
Therefore, the number of electrons moving through the receiver circuit per second is 6250 electrons/s.
Learn more about electron flow here:
https://brainly.com/question/6531580
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