Total resistance in a circuit — task. Science State Board, Class 10.

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Analyse the question and find the solution:

$3$ resistors

$R_1$ ,

$R_2$ and

$R_3$ of

$5\ Ω$ ,

$10\ Ω$ and

$20\ Ω$ , respectively are connected as shown below.

Circuit diagram

Calculate,

(a) Current through each resistor
(b) Total current in the circuit
(c) Total resistance in the circuit

Answer:

(a) Current through each resistor,

$R_1$

$=$

$A$

$R_2$

$=$

$A$

$R_3$

$=$

$A$

(b) Total current in the circuit

$=$

$A$

(c) Total resistance in the circuit

$=$

$Ω$

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23. Total resistance in a circuit