Explain and prove the ff questions: 1. The logarithm of a number gives the power to which the base must be brought to obtain the same number. If the base is 10, it is referred to as the common logarithm; if the base is e = 2.71828c, it is called the natural logarithm.
Explain and prove the ff questions: 1. The logarithm of a number gives the power to which the base must be brought to obtain the same number. If the base is 10, it is referred to as the common logarithm; if the base is e = 2.71828c, it is called the natural logarithm.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Explain and prove the ff questions:
1. The logarithm of a number gives the power to which the base must be brought to
obtain the same number. If the base is 10, it is referred to as the common logarithm; if the base is e = 2.71828c, it is called the natural logarithm.
2. Because the decibel rating of any piece of equipment is a comparison between levels, a
reference level must be selected for each area of application. For audio systems the reference level is generally accepted as 1 mW. When using voltage levels to determine the
gain in dB between two points, any difference in resistance level is generally ignored.
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