Solving Resistor Circuits Video Lessons

Concept

Problem: What are the expected readings of the following in the figure below? (R = 8.60 Ω, ΔV = 5.90 V)(a) ideal ammeter(b) ideal voltmeter

FREE Expert Solution

Ohm's law:

$\overline{){\mathbf{i}}{\mathbf{=}}\frac{\mathbf{V}}{\mathbf{R}}}$, where i is the current, V is voltage, and R is resistance.

Kirchhoff's loop rule:

$\overline{){\mathbf{\sum }}{\mathbf{V}}{\mathbf{=}}{\mathbf{0}}}$

(a)

We're going to use nodal analysis in this problem.

Let's label a node at a point between the 5.00-Ω  and -Ω resistors.

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Problem Details

What are the expected readings of the following in the figure below? (R = 8.60 Ω, ΔV = 5.90 V)

(a) ideal ammeter

(b) ideal voltmeter