555555555526. An amplifier has an input signal voltage of 0.054 mV. The output voltage is 12.5 V. The voltage gain in dB is (a) 53.6 dB. (b) 107.3 dB. (c) 231 dB. (d) 116 dB.
Tags: db, voltage, amplifier, frequency, response, gain, electronics, engineering
555555555525. An amplifier rated at 30-W output is connected to a 5- speaker. Calculate the input voltage for the rated output if the amplifier voltage gain is 20 dB. (a) 1.225 mV (b) 12.25 mV (c) 122.5 mV (d) 1.225 V
Tags: amplifier, voltage, frequency, response, gain, db, electronics, engineering