Resistors may be connected in series or parallel. When asked which resistor has higher power (hence higher energy), in general we will think of using P = IV. But when using P = IV, it cannot relate to resistance R of the resistors directly.
Hence it will be more appropriate for us to P = I^2R or P = V^2/R.
For resistors in series, the current is the same. Hence it will be more direct to compare P and R using P = I^2R, where P is directly proportional to R.
For resistors in parallel, the p.d. is the same. Hence it will be more direct to compare P and R using P = V^2/R, where P is inversely proportional to R.
![](https://static.wixstatic.com/media/2bded4_842ccc23f9da48478e38f20ff70b83b8~mv2.jpg/v1/fill/w_980,h_1444,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/2bded4_842ccc23f9da48478e38f20ff70b83b8~mv2.jpg)
Refer to the video for explanation
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