Ideal voltage source connected in series:
The equivalent single ideal voltage some is given by
V= V1 + V2
Any number of ideal voltage sources connected in series can be represented by
a single ideal
voltage some taking in to account the polarities connected together in to consideration.
Practical voltage source connected in series:
Ideal voltage source connected in parallel:
4
When two ideal voltage sources
of emf’s V1 & V2 are connected in
parallel, what voltage appears
across its terminals is ambiguous.
Hence such connections should not be made.
However if V1 = V2= V, then the equivalent voltage some is represented by V.
In that case also, such a connection is unnecessary as only one voltage source serves the purpose.
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