The circuit shown in the Figure contains two batteries, with an emf V 1 = 17, V

Question

The circuit shown in the Figure contains two batteries, with an emf V1 = 17, V2 = 3, and an internal resistances r1 = 2.4, r2 = 1.7, and two resistors R1 = 3.2, R2 = 5, respectively. Find the current in the circuit. Express the answer with two decimal places.

The circuit shown in the Figure contains two batteries, with an emf V1 = 17, V2 = 3, and an internal resistances r1 = 2.4, r2 = 1.7, and two resistors R1 = 3.2, R2 = 5, respectively. Find the current in the circuit. Express the answer with two decimal places.

Explanation / Answer

v1- i*r1 - R1*i - i*r2 - v2 - R2*i=0

17- i*2.4 - 3.2*i - i*1.7 - 3 - 5*i =0

on solving for i = 14/12.3 = 1.1382

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