Notes:
As an instructor, I was very surprised to hear many beginning students claim that all กระแสไฟฟ้า would go through the lesser resistor, and none through the greater resistor! The proverb about "takes the path of least resistance" really should be understood as "proportionately taking paths of lesser resistance." People new to the study of electricity often misunderstand such basic principles, their errors usually based on folk wisdom like this. It is imperative to break through these myths with hard fact. In this case, Ohm's Law serves as a mathematical tool we can use to dispel false ideas.
Of course, a circuit as simple as this may be readily assembled and tested in class, so that all may see the truth for themselves.