How to plot the efficiency graph ?
My lecturer ask me to plot an efficiency graph but he never the information about the y and x axis. He mention that this is a test for us to learn.
So let's say I have the input voltage , input current, input power, output voltage, output current, output power and efficiency.
How can I plot the efficiency data ?
So let's say I have the input voltage , input current, input power, output voltage, output current, output power and efficiency.
How can I plot the efficiency data ?
Replies

narayana murthyas i know efficiency can be plotted between output and input
so i think you can draw for output power to input power 
Ramani Aswath
Unless there is a variation of efficiency with some thing else there is nothing much too plot. Let us assume that the system has some internal power consumption, which varies with input power level. Then plotting the input power on the X  axis and the efficiency on the Y  axis will give some meaningful insight into the behaviour of the system.TheSoyaSogieeMy lecturer ask me to plot an efficiency graph but he never the information about the y and x axis. He mention that this is a test for us to learn. How can I plot the efficiency data ?
#LinkSnipped##LinkSnipped##LinkSnipped# 
TheSoyaSogieeIf let's say the below information was given.
Load resistance : 470 ohm 470 ohm 470 ohm
Input voltage : 9v 12v 14v
Input current : 0.192A 0.161A 0.148A
Input power : 1.728w 1.932w 2.072w
Output voltage : 24.05v 24.05v 24.05v
Output current : 0.051A 0.051A 0.051A
Output Power : 1.224w 1.224w 1.224w
Efficiency : 70.89% 63.45% 59.17%
With these I just need to use Output Power as yaxis and Input power for xaxis ? 
Ramani AswathDid you visit the sites suggested and read the info at all? If you want to know the behaviour of the efficiency as a function of input power, what will be your independent variable? Which will be the dependent variable?
It is customery to plot the independent variable on the X and the dependent variable on the Y.
Think a little.
You are reading an archived discussion.
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