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6. What is the eqaution for density?

  • density = area x mass
  • density = mass / volume
  • density = mass x volume
  • density = mass / area

7. What is the equation for force?

  • force = change in resistance / potential difference
  • force = change in momentum x current
  • Force = change in momentum / time taken
  • force = change in momentum / current

8. What is the eqaution for potential difference?

  • P.D = resistance x current squared
  • P.D = current x time
  • P.D = current x resistance
  • P.D = charge flow / time

9. What is the equation for power?

  • Power = current / potential difference
  • Power = potential difference x current
  • Power = charge flow x current
  • Power = current x resistance squared

10. what is the equation for energy transferred?

  • energy transferred = current / resistance
  • energy transferred = power x time
  • energy transferred = current x resistance
  • energy transferred = power / time