Energy & power formulas

• Name the 3 formulas for energy

  E = PT (p x t)

  E= VIT (v x i x t)

  E= QV (q x v)
• Name the 2 formulas for power

  P= IV (i x v)

  P= I2 x R
• What are the units for energy?

  Joules (J)
• What are the units for voltage?

  Volts (V)
• What are the units for charge?

  Coulombs (c)
• What are the units for power?

  Watts (W)
• What are the units for resistance?


  Ohms
• What are the units for current?

  Amperes (A)
• What is another symbol for current in terms of formulas?

  I (capital letter "I")
• What is another symbol for charge in terms of formulas?

  Q
• Power formulas


  current x voltage

  current2 x resistance
• Energy formulas


  Voltage x Current X Time

  Power x Time

  Charge x Voltage