- $ \\\sqrt {\\\left| {{R^2} + {{\\\left( {{Z_L} - {Z_C}} \\\right)}^2}} \\\right|}$
- $ \\\sqrt {\\\left| {{R^2} + {{\\\left( {{Z_L} + {Z_C}} \\\right)}^2}} \\\right|}$
- $ \\\sqrt {{R^2} + {{\\\left( {{Z_L} + {Z_C}} \\\right)}^2}}$
- $ \\\sqrt {{R^2} + {{\\\left( {{Z_L} - {Z_C}} \\\right)}^2}}$