Chapter 28, Problem 34P

(a)

To determine

The equation for upper loop by using Kirchhoff’s law.

(b)

To determine

The equation for lower loop by using Kirchhoff’s law.

(c)

To determine

The equation for junction on the left side by using Kirchhoff’s law.

(d)

To determine

The expression of $I_3$ from junction equation.

(e)

To determine

The expression of equation (II) after the elimination of $I_3$ by using the equation (IV).

(f)

To determine

The value of $I_1\text{and}{I}_2$ by solving the equation (I) and equation (V).

(g)

To determine

The value of $I_3$ using junction equation.

(h)

To determine

The significance of negative answer for $I_2$.