Which of the following is not the characteristic of chopper amplifier pH meter?

Question

Options:

A . Direct voltage from the electrodes is chopped at the main frequency

B . Using choppers for high-input resistance gives rise to spikes of waveforms at the output

C . It leads to stability in DC output of phase-sensitive rectifier

D . Magnitude of surge increases in the glass electrode output

Answer: Option C
Answer: (c).It leads to stability in DC output of phase-sensitive rectifier

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