45 dB hearing loss of a person was compensated by a hearing aid in which the efficiency of the microphone is 5 %, and that of the speaker is 8 %. Determine the gain level of the ampifier in dB. (69 dB)
45 dB hearing loss of a person was compensated by a hearing aid in which the efficiency of the microphone is 5 %, and that of the speaker is 8 %. Determine the gain level of the ampifier in dB. (69 dB)
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45 dB hearing loss of a person was compensated by a hearing aid in which the efficiency of the microphone is 5 %, and that of the speaker is 8 %. Determine the gain level of the ampifier in dB. (69 dB)
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