Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 275
... curve . If on a piece of paper a pencil is drawn back and forth in what may be called an east and west direction across a ruler edge , a line is drawn . If the paper is pulled " south " at the same time , a zigzag curve of some sort ...
... curve . If on a piece of paper a pencil is drawn back and forth in what may be called an east and west direction across a ruler edge , a line is drawn . If the paper is pulled " south " at the same time , a zigzag curve of some sort ...
Σελίδα 300
... curve of the resultant values . This curve is the power curve . If the load is a pure resistance , current and voltage are in phase , and the product ei is always positive and is in itself a sine wave . It is shown in electrical ...
... curve of the resultant values . This curve is the power curve . If the load is a pure resistance , current and voltage are in phase , and the product ei is always positive and is in itself a sine wave . It is shown in electrical ...
Σελίδα 347
... curve in Fig . 37-5 is that of a high - Q circuit , and the broad curve is that of a low - Q circuit . To make one curve serve for both cases , it is only necessary to plot the current ratio against the product Qf / f , instead of f ...
... curve in Fig . 37-5 is that of a high - Q circuit , and the broad curve is that of a low - Q circuit . To make one curve serve for both cases , it is only necessary to plot the current ratio against the product Qf / f , instead of f ...
Περιεχόμενα
CHAPTER PAGE 1 ADDITION SUBTRACTION MULTIPLICATION AND DIVISION IN ARITHMETIC | 3 |
DEFINITIONS AND SYMBOLS | 12 |
INVOLUTION AND EVOLUTION IN ARITHMETIC | 15 |
Πνευματικά δικαιώματα | |
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Συχνά εμφανιζόμενοι όροι και φράσεις
algebraic angle answer applied arithmetic Axiom base called Chapter Check circle circuit circumference coefficient common complex condition Construct COROLLARY curve decimal definition denominator difference direction distance divided division Draw drawn electrical engineering equal equation example exponent expression fact factor figure formula fraction frequency functions geometry given greater illustrated inches indicated involved length letters logarithms magnitude mathematical means measure method Multiply necessary negative Note obtained ohms operation parallel perpendicular places polygon positive possible practice Problems Prove quadratic quantity quotient radio radius ratio represented resistance result right angle root rule shown sides similar Simplify sine solution Solve square statement straight line substituted subtract Theorem triangle unit unknown usually vertical voltage volts wave zero