Question

Explain the combination of resistors when connected in series with circuit diagram.​

Answer 1

Answer:

When two or more resistances are connected end to end consecutively, they are said to be connected in series combination. The combined resistance of any number of resistances connected in series in equal to the sum of the individual resistances.

Answer 2

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When number of resistors connected end to end then they are said to be in series.

From the law of conservation of ᴇɴᴇʀɢɪᴇꜱ

$V =V _{1} +V _{2} +V _{3}$

From Ohm's law,

$V=I R _{1} , V=I R _{2} ,V=I R _{3} \\ ᴀʟនᴏ \: \: \: </p><p>V = I × R _{ᴛ}$

Now ( 1 ) becomes

$I R _{ᴛ} = I R _{1} + I R _{2} +I R _{3} \\ I R _{ᴛ} = I(R _{1} +R _{2}+R _{3} ) \\ ⇒R _{ᴛ}= R _{1} +R _{2} +R _{3}$

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