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2. 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

3. What is the equation for elastic potential energy?

  • Ee = extention / spring constant
  • Ee = 0.5 x extention
  • Ee = 0.5 x spring constant x extension squared
  • Ee = spring constant x extension squared

4. What is the equation for energy transferred?

  • energy transferred = resistance x power
  • energy transferred = current x power
  • energy transferred = charge flow x potential difference
  • energy transferred = current x resistance

5. What is the equation for magnetic flux density (B)?

  • B = force / current x length
  • B = length x width x force
  • B = force x current x length
  • B = length x width x height
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