C3

Cards (6)

  • What is Kirchhoff’s first law?
    the sum of currents entering a junction is equal to the sum of currents leaving a junction
  • What is Kirchhoff’s second law
    In any closed loop, the sum of the e.m.f is equal to the sum of the P.Ds dissipated around the circuit (loop)
  • K1 and K2 are conservations of what?
    K1: charge K2: energy
  • Define internal resistance
    The resistance of the materials within the battery
  • What is the equation for potential dividers
    v-out = v-in x R1/(R1 + R2)
  • What is Electro Motive Force (e.m.f)?
    The energy gained per unit charge when passing through a supply (cell)