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3 years ago

6

The current in a simple electrical circuit is inversely proportional to the resistance. The current is 80 amps when the resistan

ce is 50 ohms. What is the current when the resistance is 40 ohms?

1 answer:

Oksana_A [137]3 years ago

6 0

I = / r where I = current and r = resistance

80 = k / 50 so
k = 400

so we have I = 400/r

when r = 40
I = 400/40 = 10 amps

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