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The electrodes used in pH measurement have which of the following internal resistances?

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in Analytical Instrumentation by (131k points)
The electrodes used in pH measurement have which of the following internal resistances?

(a) Very low resistance

(b) Moderate resistance

(c) Very high resistance

(d) No resistance

The question was asked in unit test.

Origin of the question is pH Meters topic in division pH Meters and Ion Analysers of Analytical Instrumentation

1 Answer

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The correct answer is (c) Very high resistance

For explanation: The electrodes used in pH measurement have very high internal resistance. It is of the order of 1000M ohm.

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