Wheatstone bridge balance

Tags

• circuitos
• Dividers
• Electronics
• physics
• Electronics formula
• physics formula
• Resistive networks

Detail

Variables

• $V_i,V_o$voltages (V)
• $R_1,R_2,R_L,R_{\mathrm{Th}}$resistances (Ω)
• $I_T,I_N$currents (A).

Conditions

• Linear resistive DC network; unloaded divider unless RL is stated.

Conventions

• V, A or Ω according to the left-hand side

Related formulas

• Related

  Wheatstone bridge

  $$V_o=V_s\left(\frac{R_2}{R_1+R_2}-\frac{R_4}{R_3+R_4}\right)$$
  Open formulaOpen in section

• Related

  Thévenin voltage

  $$V_{\mathrm{Th}}=V_{\mathrm{oc}}$$
  Open formulaOpen in section

• Related

  Ohm's law

  $$V=IR$$
  Open formulaOpen in section

• Related

  Resistors in series

  $$R_{\text{eq}}=\sum_iR_i$$
  Open formulaOpen in section