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Tuned amplifiers can be set to _______

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Tuned amplifiers can be set to _______

(a) low frequencies

(b) high frequencies

(c) any frequency

(d) audio frequencies

I got this question during an online exam.

The query is from Sources and Detectors in portion Measurement of Inductance and Capacitance of Electrical Measurements

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Best answer
Correct option is (c) any frequency

For explanation I would say: Tuning refers to varying a parameter. Tuned amplifier circuits can be set to any desired frequency.

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