41. ssm Three resistors, 25, 45, and 75 Ω, are connected in series, and a 0.51-A current passes through them. What are (a) the equivalent resistance and (b) the potential difference across the three resistors?

Since they are in series, the current is the same through all three and we just add the resistors.

 

 

Ohm’s law gives us

 

 

 

 

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This page last updated on June 14, 2018