Basic Electrical and Electronics Engineering: Unit I: Electrical Circuits
Resistors in Parallel
Electrical Circuits
When the resistors are the connected.In this combination voltage is same and current through the various resistors are different.
RESISTORS
IN PARALLEL
When
the resistors are the connected as in fig 1.14 shows the parallel combination.
If
one end of all the resistors is joined to a common point and the other ends are
joined to another common point, the combination is said to be parallel
combination between two common points.
In
this combination voltage is same and current through the various resistors are
different.
Here 
I
= I1 + I2 + I3
If
we replace the three resistors in parallel by a single equivalent resistor R as
shown in fig 1.15.
In
fig 1.15
V
= IReff
If
only two resistors in parallel, then the effective resistance is given by
In a parallel circuit:
(i)
The voltage across each resistances of the parallel circuit is the same.
(ii)
The current in each branch is given by ohm's law.
(ii)
The total current is equal to the sum of branch currents.
Basic Electrical and Electronics Engineering: Unit I: Electrical Circuits : Tag: : Electrical Circuits - Resistors in Parallel
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