Equivalent resistance of first armour layer $R_{Ao_1}$ and resistance of second armour layer $R_{Ao_2}$ in parallel at 20°C.

Symbol
$R_{\mathrm{Ao}}$
Unit
Ω/m
Formulae
 $R_{\mathrm{A_{\mathrm{1}}}}$ one armour layer $\frac{R_{\mathrm{A_{\mathrm{1}}}} R_{\mathrm{A_{\mathrm{2}}}}}{R_{\mathrm{A_{\mathrm{1}}}} + R_{\mathrm{A_{\mathrm{2}}}}}$ two armour layers
Related
$R_{\mathrm{A_{\mathrm{1}}}}$
$R_{\mathrm{A_{\mathrm{2}}}}$