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