	Standard (pre-2019):	Alternative 1:	Alternative 2:	Alternative 3:
The Coulomb constant	$k_{e} = \frac{1}{4 π ε_{0}} = c^{2} \times 10^{- 7}$	$k_{e} = c^{2}$	$k_{e} = c$
Planck charge	$q_{p} = \sqrt{\frac{ℏ}{c} \times 10^{7}}$	$q_{p} = \sqrt{\frac{ℏ}{c}}$	$q_{p} = \sqrt{ℏ}$	$q_{p} = \sqrt{ℏ c}$
Planck voltage	$V_{p} = \frac{c}{l_{p}} \sqrt{ℏ c} \sqrt{10^{- 7}}$	$V_{p} = \frac{c}{l_{p}} \sqrt{ℏ c}$	$V_{p} = \frac{c}{l_{p}} \sqrt{ℏ}$	$V_{p} = \frac{\sqrt{ℏ c}}{l_{p}}$
Planck current	$C_{p} = \frac{c^{3}}{\sqrt{k_{e} G}} = \sqrt{\frac{ℏ c \times 10^{7}}{l_{p}^{2}}}$	$C_{p} = \sqrt{\frac{ℏ c}{l_{p}^{2}}}$	$C_{p} = \sqrt{\frac{ℏ}{l_{p}^{2}}}$	$C_{p} = \sqrt{\frac{ℏ}{l_{p}^{2} c}}$
Planck energy	$E_{p} = V_{p} q_{p} = ℏ \frac{c}{l_{p}}$	$E_{p} = V_{p} q_{p} = ℏ \frac{c}{l_{p}}$	$E_{p} = V_{p} q_{p} = ℏ \frac{c}{l_{p}}$	$E_{p} = V_{p} q_{p} = ℏ \frac{c}{l_{p}}$
Planck impedence	$I_{p} = \frac{\sqrt{ℏ c \times 10^{7}}}{l_{p}}$	$I_{p} = \frac{\sqrt{ℏ c}}{l_{p}}$	$I_{p} = \frac{\sqrt{ℏ}}{l_{p}}$	$I_{p} = \frac{\sqrt{\frac{ℏ}{c}}}{l_{p}}$
Planck resistance	$R_{Ω} = \frac{V_{p}}{I_{p}} = c \times 10^{- 7}$	$R_{Ω} = \frac{V_{p}}{I_{p}} = c$	$R_{Ω} = \frac{V_{p}}{I_{p}} = c$	$R_{Ω} = \frac{V_{p}}{I_{p}} = c$
Magnetic field	$B = \sqrt{k_{e} \frac{c^{5}}{ℏ G^{2}}} = \frac{\sqrt{ℏ c \times 10^{- 7}}}{l_{p}^{2}}$	$B = \frac{\sqrt{ℏ c}}{l_{p}^{2}}$	$B = \frac{\sqrt{ℏ}}{l_{p}^{2}}$	$B = \frac{\sqrt{\frac{ℏ}{c}}}{l_{p}^{2}}$
Electric field	$\sqrt{k_{e} \frac{c^{7}}{ℏ G^{2}}} = \frac{c \sqrt{ℏ c \times 10^{- 7}}}{l_{p}^{2}}$	$\frac{c \sqrt{ℏ c}}{l_{p}^{2}}$	$\frac{c \sqrt{ℏ}}{l_{p}^{2}}$	$\frac{\sqrt{ℏ c}}{l_{p}^{2}}$
The Coulomb force Planck charges	$F = k_{e} \frac{q_{p} q_{p}}{r^{2}} = ℏ \frac{c}{r^{2}}$	$F = c^{2} \frac{q_{p} q_{p}}{r^{2}} = ℏ \frac{c}{r^{2}}$	$F = c \frac{q_{p} q_{p}}{r^{2}} = ℏ \frac{c}{r^{2}}$	$F = \frac{q_{p} q_{p}}{r^{2}} = ℏ \frac{c}{r^{2}}$