Physics Equations and Formula Paper 1 0.0 / 5 ? PhysicsEquations and FormulaeGCSEAQA Created by: Rachel NashCreated on: 12-10-19 15:02 ELECTRICITY ELECTRICITY 1 of 26 What is the equation linking power, voltage and current? Power = Voltage x Current. (P = V x I) 2 of 26 What equation do you use if you don't know the potential difference? Power = (Current x Current) x Resistance. ([I x I] x R) 3 of 26 What is the equation linking voltage, current and resistance? Voltage = Current x Resistance. (V = I x R) 4 of 26 What is the equation linking charge flow, current and time? Charge = Current x Time. (Q = I x t) 5 of 26 What is the equation linking energy, voltage and charge flow? Energy = voltage x charge. (E = V x Q) 6 of 26 What is the equation linking energy, voltage, current and time? Energy = Voltage x Current x Time. (E = V x I x t) 7 of 26 What is the equation linking energy transferred, power and time? Energy transferred = Power x Time. (E = P x t) 8 of 26 What is the equation to find out the total potential difference in a series circuit? Pd_Total = Pd_1 + Pd_2 + ... (V_total = V_1 + V_2 + ...) 9 of 26 What is the equation to find out the total current in a series circuit? Current_1 = Current_2 = ... (I_1 = I_2 = ...) 10 of 26 What is the equation to find out the total resistance in a series circuit? Resistance_Total = Resistance_1 + Resistance_2 + ... (R_total = R_1 + R_2 + ...) 11 of 26 What is the equation to find out the potential difference in a parallel circuit? Pd_Total = Pd_1 = Pd_2 = ... (V_total = V_1 = V_2 = ...) 12 of 26 What is the equation to find out the current in a parallel circuit? Current_Total = Current_1 + Current_2 + ... (I_1 + I_2 + ...) 13 of 26 ENERGY ENERGY 14 of 26 What is the equation linking kinetic energy, mass and speed? Kinetic Energy = 0.5 x mass x (speed x speed). (E = 0.5 x m x [v x v]) 15 of 26 What is the equation linking gravitational potential energy, mass, height and gravitational field strength? G.P.E = mass x gravitational field strength x height. (E = m x g x h) 16 of 26 What is the equation linking elastic potential energy, spring constant and extension? E.P.E = 0.5 x Spring constant x (extension x extension). (E = 0.5 x k x [e x e]) 17 of 26 What is the equation for specific heat capacity? Change in thermal energy = mass x specific heat capacity x temperature change. ( E = m x c x ) 18 of 26 What is the equation linking power, energy transferred and time? Power = Energy transferred / time. (P = E / t) 19 of 26 What is the equation linking power, work done and time? Power = Work Done / time. (P = W / t) 20 of 26 What is the equation for efficiency? Efficiency = Useful output energy transfer / Total input energy transfer 21 of 26 PARTICLE MODEL OF MATTER PARTICLE MODEL OF MATTER 22 of 26 What is the equation linking density, mass and volume? Density = mass / volume. (p = m / V) 23 of 26 What is the equation linking energy, mass and specific latent heat? Energy = mass x Specific latent heat. (E = m x L) 24 of 26 What is the equation linking pressure, volume and constant? Constant = pressure x volume. (p x V = constant) 25 of 26 FORCES FORCES 26 of 26
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