If an averaging amplifier has 4 inputs, the ratio Rf/Ri must be:a.4b.0.2c.25d.0.25

Question

If an averaging amplifier has 4 inputs, the ratio Rf/Ri must be:a.4b.0.2c.25d.0.25
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Solution 1

To determine the ratio Rf/Ri for an averaging amplifier with 4 inputs, we need to consider the formula for the gain of an averaging amplifier. The gain (Av) of an averaging amplifier is given by the equation:

Av = -Rf/Ri

where Rf is the feedback resistor and Ri is the input resistor.

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