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emmainna [20.7K]
2 years ago
8

If a 9V, 7W radio is on from 9am to 12pm. Calculate the amount of charge that flows through it, hence or otherwise the total num

ber of free electrons that pass through at a point at the power supply terminals​
Computers and Technology
1 answer:
vredina [299]2 years ago
6 0

Answer:

Q=It

and

p=IV

Given, v=9V P= 7W

I=P/V

I =7/9

Also, time(t) from 9am to 12pm is 3hrs

Converting into sec =3×3600

t=10800

Q= 7/9 ×10800

Q =8400C

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