Energy & Power Formulas

• What is the equation for energy in terms of power and time?

  E = Pt
• What is the equation for energy in terms of voltage, current, and time?

  E = VIt
• What is the equation for energy in terms of charge and voltage?

  E = QV
• What is the equation for power in terms of current and voltage?

  P = IV
• What is the equation for power in terms of current and resistance?

  P = I^2R
• what is the unit for power?

  Watts, W
• what is the unit for energy?

  Joules, J
• what is the unit for time?

  seconds, s
• what is the unit for voltage/potential difference?

  volts, V
• what is the unit for current?

  Amperes/Amps, A
• what is the unit for charge?

  Coulomb, C
• what is the unit for resistance?

  Ohm, Ω