Question

which method is not used to measure ph​

Answer 1

Answer:

Tow wattmeter method

Explanation:

The total power in a three wattmeter method of power measurement is given by the algebraic sum of the readings of three wattmeters. i.e. Except for 3 phase, 4 wire unbalanced load, 3 phase power can be measured by using only Two Wattmeter Method.

Answer 2

Answer: There are two methods for measuring pH: colorimetric methods using indicator solutions or papers, and the more accurate electrochemical methods using electrodes and a millivoltmeter (pH meter).

Explanation:

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