How to calculate energy
We used three triangles to calculate different aspects of energy from resistance to to kilowatts used in an hour. The first one is the VIR triangle, this is the one used to calculate resistance of a system. To begin we first measure the volts and amps of the system and record them by writing them on paper. After we use the triangle, it has a neat setup where the line identifies a different mathematical equations. The vertical line represents a multiplication with the voltage above it being the wanted variable. With the horizontal line it represents division with the variable on the top being divided by the variable on the bottom. So to calculate resistance we first fill out the pieces for volts and amps and then divide because voltage is on the top of the triangle. We would then write down the resistance and place the ohm symbol Ω as that is the unit resistance is measured in. The second triangle is the PIV triangle.
|
|