Potential Difference and Power
 

Potential Difference and Power problem 9


Measurement of the value of electrical power P at a certain resistance R was performed for two different elements. The results for the first element are shown by a graph, and the results for the second element by a data table. From the displayed data, calculate how much electric current flowed through each element.


The first electrical element:


Graph of power against resistance



Second electrical element:



 

material editor: Josephine Emmanuel