I believe it is the circle with a horizontal line splitting it in half. Then a vertical line splits the bottom half evenly into quarter circles. In the top half is an E (or V), which represents voltage. Then in lower left is I, representing current. In the lower right is R, representing resistance.
It is an easy way to remember Ohm's Law: If you want to find E (electromotive force) [or V for voltage], then look at the chart: I and R are at the same level, so multiply them: E = I*R.
If you want to find current (I), then look and E is above R, so I = E/R. Same for finding resistance. E is above I, so R = E/I. There is also a Pie chart for Power. See related link (below).
Electrical symbols are used in electrical wiring diagram, signage on the electrical devices and motors
One who practises the profession of electrical engineering. An electrical engineer.
No, an electrical approved switch is used to break an electrical circuit.
no picture of electrical energy
Mechanical and Electrical
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a pie a pie chart compares from a whole known and 100.
This is usually conveyed using a pie chart.
A pie chart is called that because it shaped as a pie. It also called a circle chart.
An exploded pie chart is a pie chart with one (or more) of the segments pulled away from the centre.
A pie chart.
It is called so because it is shaped like a pie. It is also called a circle chart.
what is a key called in a pie chart
A pie chart only shows up to 100%, divided into portions.
yeah the pie chart would do best in that category
Because it is round and the sections are shaped like the pieces of a pie.
Exploded Pie Chart