Electricity

Description

Form 5 SPM Physics - Electricity
whytwocare
Mind Map by whytwocare, updated more than 1 year ago
whytwocare
Created by whytwocare over 9 years ago
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Resource summary

Electricity
  1. Fundamental
    1. Charge
      1. Q = ne
      2. Current
        1. I = Q/t
        2. Potential Difference
          1. V = IR
        3. Circuit
          1. Series
            1. R = R1 + R2
              1. I = I1 + I2
                1. V = V1 + V2
                2. Parallel
                  1. R = 1 / (1/R1 + 1/R2)
                    1. I = I1 +I2
                      1. V = V1 = V2
                    2. EMF
                      1. E = I(R +r) = V + Ir
                      2. Electrical
                        1. Energy
                          1. E = QV
                          2. Power
                            1. P = W/t
                              1. P = V^2 / R
                                1. P = IV
                                  1. P = I^2.R
                                    1. Efficiency = (Output Power / Input Power) x 100%
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