Resistance in Series
In this topic we will discuss about resistor in series. We should know what is the impact on overall resistance if they are connected in series.
In this type of connection, the terminal of one Resistor is
connected to the terminal of the second resistor and the other to the third,
the third to the fourth terminal. As shown in the picture below. The value of
the resistor added in series connection is greater than the value of each
resistor.
A total of four resistors are connected in series connection
in the above figure. The resistance value of these four resistors is R1,R2,R3 ,R4. The value of a new resistor that will be obtained by connecting these four
resistors will be determined by the following method or formula.
R-Total= R1 + R2 + R3 + R4
Let's try to understand it with an example. Suppose the value
of these four resistors is 5Ω, 3Ω, 7Ω and 6 Ω, then what will be the resistance
of the new resistor formed after connecting all these.
If using the above formula add
R-Total = 5ohms+3ohms+7ohms+6ohms
R-Total = 21 Ω
That is, after connecting these four resistors, the value of
the new resistor that will be formed will be 21 Ω.
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