To calculate the total resistance of the series circuit
\(\begin{array}{l}R_{t} = R_{1}+R_{2}+R_{3}\end{array} \)
Where,
Rt=Â Total Resistance
R1 = Resistance 1
R2 = Resistance 2
R3 = Resistance 3
Total Resistance Of 2 Resistors Connected parallel
\(\begin{array}{l}R_{t} = \frac{R_{1}R_{2}}{R_{1}+R_{2}}\end{array} \)
Where,
Rt=Â Total Resistance
R1 = Resistance 1
R2 = Resistance 2
Total Resistance Of 3 or more Resistors Connected parallel
\(\begin{array}{l}\frac{1}{R_{t}}=\frac{1}{R_{1}}+\frac{1}{R_{2}}+\frac{1}{R_{3}}+——+\frac{1}{R_{n}}\end{array} \)
Where,
Rt=Â Total Resistance
R1 = Resistance 1
R2 = Resistance 2
R3 = Resistance 3
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