- #1
Janiceleong26
- 276
- 4
Homework Statement
Homework Equations
P=V2/R
P=I2R
V=IR
The Attempt at a Solution
As the resistance of R increases, the potential difference across R increases, so the power dissipated in R increases too. But I can't seem to see how the power decreases afterwards. Is it because, as time passes, the e.m.f of the battery dies out eventually?