How much power is this in milliwatts

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Reference no: EM131282556

1. If the output power of a preamplifier is 20 dBm, how much power is this in milliwatts?

2. How much output voltage does a microphone have when its output is -45 dBV?

3. Convert the following powers to dBm: 25 mW, 93.5 mW, and 4.87 W.

4. Convert the following voltages to dBV: 1 μV, 34.8 mV, 12.9 V, and 345 V.

Reference no: EM131282556

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