The Mechanical Engineering Handbook



Ohms Law

Ohms Law Equation



$$ V = IR $$
where:

V   =   Voltage   (V)

I   =   Current   (A)

R   =   Resistance   (Ω)


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Equation Assumptions



  • The relationship between voltage and current is linear.
  • The resistance remains constant.
  • Steady state conditions (DC or low-frequency AC).