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MissTica
2 years ago
6

If the measured resistance of a lamp is 45 ohms when it operates at a power of 80.0 watts, what is the current in the lamp?

Physics
1 answer:
melisa1 [442]2 years ago
4 0
P= R.I^2 so 80=45*I^2
I=sqrt(80/45)= 1.33A
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