Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 46
... condition may exist in an a - c circuit . If the voltage ( pres- sure ) and the current ( quantity ) are in the same direction ( both positive or both negative ) , the product is positive . This condition means a transfer of energy from ...
... condition may exist in an a - c circuit . If the voltage ( pres- sure ) and the current ( quantity ) are in the same direction ( both positive or both negative ) , the product is positive . This condition means a transfer of energy from ...
Σελίδα 159
... condition . 6. For calculations of resonant frequency in filter circuits , L is given in henries and C in microfarads . Express the formula for this condition . 7. To calculate the current in an a - c circuit having resistance ...
... condition . 6. For calculations of resonant frequency in filter circuits , L is given in henries and C in microfarads . Express the formula for this condition . 7. To calculate the current in an a - c circuit having resistance ...
Σελίδα 361
... condition , the impedance of the circuit must be a pure resistance at resonance . This condition is expressed mathematically by setting the j term of the impedance ( or the admittance ) equal to zero . Only the numerator is needed ...
... condition , the impedance of the circuit must be a pure resistance at resonance . This condition is expressed mathematically by setting the j term of the impedance ( or the admittance ) equal to zero . Only the numerator is needed ...
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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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