Sunday, 19 August 2018

Help to join 3 resistors in parallel into 1 (power equation?)


I want to join 3 resistors connected in parallel into one. Like this enter image description here


If for the total resistance I use


$$R_t = \frac{R}{3}$$


But what about the power of them?




Answer



You are correct, a single 50 Ohm resistor with a 30W power rating.


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