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define Kirchhoff’s second law
within each closed loop in a circuit → Σε = ΣV
describe Kirchhoff’s second law in terms of energy transfer
Σ energy transferred from the e.m.f. source to charge carriers = Σ energy transferred from charge carriers to components
define closed loop
a single pathway for current to flow from the negative to the positive terminal of the e.m.f. source
state the number of closed loops in a series circuit
state the number of closed loops in a parallel circuit
one
more than one
state how to calculate the total e.m.f. of e.m.f. sources with like polarities
state how to calculate the total e.m.f. of e.m.f. sources with opposite polarities
add the individual e.m.f.’s
subtract the individual e.m.f.’s