Ohms Law

Parallel Circuit rules

 

• Components in a parallel circuit share the same voltage:

• V_total = V₁ = V₂ = . . . V_n
• Total resistance in a parallel circuit is less than any of the individual resistances:

• R_total = 1 / (1/R₁ + 1/R₂ + . . . 1/R_n)
• Total current in a parallel circuit is equal to the sum of the individual branch currents:

• I_total = I₁ + I₂ + . . . I_n

Series Circuit Rules

 

• Components in a series circuit share the same current:

• I_total = I₁ = I₂ = . . . I_n
• Total resistance in a series circuit is equal to the sum of the individual resistances, making it greater than any of the individual resistances:

• R_total = R₁ + R₂ + . . . R_n
• Total voltage in a series circuit is equal to the sum of the individual voltage drops:

• V_total = V₁ + V₂ + . . . V_n

_{Ohms Law}