Wheatstone bridge

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

  Loaded voltage divider

  $$V_o=V_i\frac{R_2\parallel R_L}{R_1+(R_2\parallel R_L)}$$
  Open formulaOpen in section

• Related

  Wheatstone bridge balance

  $$\frac{R_1}{R_2}=\frac{R_3}{R_4}$$
  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