What is the most common concern with using variable frequency drives?

And, so it has proved in most applications. Occasionally, though, running an AC motor off a variable frequency drive can lead to problems that ... “VFD common mode voltage induces current in the motor shaft,” explains Brown, “and it is ... 100-μm-thick aluminum oxide layer that is applied using a plasma spraying technique.

Explanation:

yes we can change both the color of the value of a cell as well as background color of a cell at the same time .

as we know that excel sheet consists of columns and rows.

and intersection of column and row is called cell.

we can change color of the cell and background of the cell at the same time.

hence the statement that

can a person change color of the cell and background of the cell at the same time is true.