Kirchhoff's Loop Rule Video Lessons

Concept

# Problem: In the circuit shown, what is the current drawn from the 18 V battery? (1) 10.0 Α (2) 8.0 А (3)5.5 А (4) 4.5 А (5) 6.5 А

###### FREE Expert Solution

Kirchhoff's voltage law:

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

Also, remember that from Ohm's law:

$\overline{){\mathbf{V}}{\mathbf{=}}{\mathbf{i}}{\mathbf{R}}}$

Let's visualize the currents that flow in the circuit as follows:

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###### Problem Details

In the circuit shown, what is the current drawn from the 18 V battery?

(1) 10.0 Α

(2) 8.0 А

(3)5.5 А

(4) 4.5 А

(5) 6.5 А