Principles and Applications of Mathematics for Communications-electronicsHeadquarters, Department of the Army, 1992 |
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Página 16
... formula , in which letters are used to represent words or numbers . For example , the area ( A ) of a rectangle can be determined by multiply- ing the length ( 1 ) by the width ( w ) . Algebra- ically , this is stated as A = lw . 27 ...
... formula , in which letters are used to represent words or numbers . For example , the area ( A ) of a rectangle can be determined by multiply- ing the length ( 1 ) by the width ( w ) . Algebra- ically , this is stated as A = lw . 27 ...
Página 38
... formulas , a knowledge of additional opera- tions is required . 71. Fractional Exponents a . General . A fractional exponent is merely another way of expressing the root of a number . For example , the cube root of x usually is writ ...
... formulas , a knowledge of additional opera- tions is required . 71. Fractional Exponents a . General . A fractional exponent is merely another way of expressing the root of a number . For example , the cube root of x usually is writ ...
Página 44
... formulas ; therefore , the letter j , commonly called the operator j , is used in electronics . Example 1 : 36 = √ ( −1 ) 36 = √ = 1 · Example 2 : √72 = √ ( −1 ) Z2 = √ = I • V = Z2 Example 8 : 3 : √ — 9a2 = √ ( −1 ) 9a2 ...
... formulas ; therefore , the letter j , commonly called the operator j , is used in electronics . Example 1 : 36 = √ ( −1 ) 36 = √ = 1 · Example 2 : √72 = √ ( −1 ) Z2 = √ = I • V = Z2 Example 8 : 3 : √ — 9a2 = √ ( −1 ) 9a2 ...
Página 51
... formula in electricity ( par . 184 ) states that the voltage across any part of a circuit is equal to the product of the current and resistance of that part of the circuit . In formula form , this is expressed as E IR , where E is the ...
... formula in electricity ( par . 184 ) states that the voltage across any part of a circuit is equal to the product of the current and resistance of that part of the circuit . In formula form , this is expressed as E IR , where E is the ...
Página 52
... formulas for the quan- tity indicated : ( 1 ) Fd Wh for d vo2 + 2gh for g = ( 2 ) v2 = w ( 3 ) F = a for a ( 4 ) H = ( 5 ) F = D2N 2.534 22.5 BIL 108 for N for l ( 7 ) – ( 5x + 15 ) = 5 + 21 - 5 ( 2 - x ) - 512 2 11y 13+ 17y + 4 + 19 +3 ...
... formulas for the quan- tity indicated : ( 1 ) Fd Wh for d vo2 + 2gh for g = ( 2 ) v2 = w ( 3 ) F = a for a ( 4 ) H = ( 5 ) F = D2N 2.534 22.5 BIL 108 for N for l ( 7 ) – ( 5x + 15 ) = 5 + 21 - 5 ( 2 - x ) - 512 2 11y 13+ 17y + 4 + 19 +3 ...
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20 ohms ac circuit ac series circuit amperes antilog applied voltage base bers binary numbers capacitive reactance Centimeters/second Change Colang Tong complex numbers Cosec Cubic meters current flowing decibels decimal number decimal point denominator digit Divide equal Example exponents factors feet Figure Find the area Find the voltage formula fraction graph hairline hypotenuse inductive reactance Kilometers leads the applied logarithm mantissa Meters/minute Meters/second Microhenrys Miles/hour Miles/minute monomial Multiply negative numbers oblique triangle ohms Ounces avoirdupois Paragraph parallel circuit percent phase angle Plot problem quadratic equation quantity R₁ radians radical radicand ratio rectangle resistor right triangle ABC scale scientific notation series circuit side opposite Simplify slide rule square root Statcoulombs Statvolts Step Subtract Tang Colang tion triangle ABC fig trigonometric functions unknown vector diagram voltage drop volts watts yards zero