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E7H02:What is a microphonic?

E7H02E7H

What is a microphonic?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E7H02 is Changes in oscillator frequency caused by mechanical vibration.

The key fact is Changes in oscillator frequency caused by mechanical vibration. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in E7H

E7H01What are three common oscillator circuits?E7H03What is a phase-locked loop?E7H04How is positive feedback supplied in a Colpitts oscillator?E7H05How is positive feedback supplied in a Pierce oscillator?E7H06Which of these functions can be performed by a phase-locked loop?E7H07How can an oscillator’s microphonic responses be reduced?