The current (C) in an electrical conductor varies inversely as the resistance ® of the conductor...
...The current is 1/3 amp (amperes) when the resistance is 360 ohms. Find the current when the resistance is 30ohms.
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`C prop 1/R`
We can introduce a constant, V such that,
We can find V using the given data.
When `R = 360, C = 1/3` .
Therefore, `1/3 = V/360`
`V = 120`
Therefore the equation is,
The current when `R= 30` ,
`C = 120/30`
C = 4 Amps
The current is 4 Amps when R =30 ohms.