First slide

KVL

Question

For the circuit given below, the Kirchoff's loop rule for the loop BCDEB is given by the equation

Moderate

A

$- i_{2} R_{2} + E_{2} + E_{3} + i_{3} R_{1} = 0$
B

$- i_{2} R_{2} + E_{2} - E_{3} + i_{3} R_{1} = 0$
C

$I_{2} R_{2} + E_{2} - E_{3} - i_{3} R_{1} = 0$
D

$i_{2} R_{2} + E_{2} + E_{3} + i_{3} R_{1} = 0$

Solution

In a loop BCDEB by KVL
$\begin{array}{l} V - i_{2} \underset{2}{R} - E_{2} + E_{3} + I_{3} R_{1} = V \\ I_{2} R_{2} + E_{2} - E_{3} - i_{3} R_{1} = 0 \end{array}$

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