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lina2011 [118]
3 years ago
12

The current (I) in an electrical conductor varies inversely as the resistance (r) of the conductor. The current is 2 amperes whe

n the resistance is 960 ohms. What is the current when the resistance is 480 ohms?
Mathematics
2 answers:
aalyn [17]3 years ago
7 0
I=\frac{k}{r}, where k is constant of variation.
\frac{2}{1} = \frac{k}{960}
\\k=2\cdot960=1920.

Since we know the data to find the current when the resistance is 480 Ohms \Rightarrow I=\frac{k}{r}=\frac{1920}{480}=4 \ amperes.
Oksanka [162]3 years ago
6 0
The current is 4 amperes
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