Electronics and waves Waves Revision cards 0.0 / 5 ? PhysicsWavesElectronsASOCR Created by: mitchellgCreated on: 26-02-14 10:32 Voltage and Current in Series • Voltage is shared and current is constant 1 of 7 Voltage and Current in Parallel • Current is shared and voltage is constant 2 of 7 Kirchhoff’s Second Law • The sum of the e.m.f round a loop is equal to the sum of the p.d round the same loop 3 of 7 Kirchhoff’s Second Law E emf = E P.d 4 of 7 Kirchhoff’s Second Law • This is a consequence of the conservation of energy; since energy cannot be created or destroyed, it must be used in the circuit 5 of 7 Internal Resistance • All sources of e.m.f have internal resistance 6 of 7 Internal Resistance • In a battery, this is due to the chemicals inside of it, in a power supply it is due to the components and wires inside 7 of 7
Comments
No comments have yet been made