An Amplifier with a Value of Av = 20 DB

question 21

Multiple Choice

An amplifier with a value of Av = 20 dB. What input voltage is required for the amplifier to provide an 8.5 V output?

• A) 850 mV
• B) 85 mV
• C) 425 mV
• D) 186 mV

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Definitions:

Lowest Terms

The simplest form of a fraction, where the numerator and denominator are reduced to their smallest possible values by dividing both by their greatest common divisor.

Mixed Numbers

Mixed Numbers are numbers consisting of an integer and a fraction, commonly used in mathematics to represent sums of whole numbers and fractions.

Improper Fractions

A fraction in which the top number exceeds the bottom number, indicating it represents a whole number plus a fraction.

Lowest Terms

A fraction displayed in its most reduced form, with both numerator and denominator shrunk to their smallest feasible values.