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B. R1, R2, And R3 are resistors with resistance of 10, 20, and 4 respectively. What is the total resistance of this circuit? Show work

B R1 R2 And R3 are resistors with resistance of 10 20 and 4 respectively What is the total resistance of this circuit Show work class=

Respuesta :

[tex]\frac{1}{R_\Sigma} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3} = 2.5 \ \Omega.[/tex]