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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a-c circuit adjacent angles algebraic amperes answer arithmetic Axiom base bisector called Chapter Check chord circle circumference coefficient complex numbers Construct COROLLARY cosine curve decibel decimal point denominator diameter distance divided division divisor Draw engineering equal example exponent expression factor figure formula fraction frequency functions geometry given graph impedance inches inscribed interior angles isosceles logarithms magnitude mathematical measure monomial Multiply negative number nth root obtained Ohm's law ohms parallel parallelogram perpendicular polygon polynomial positive Postulate Problems Prove quadratic quantity quotient R₁ radians radio radius ratio reactance regular polygon represented resistance resistor resonant right angle right triangle rotation Simplify sine wave slide rule solution Solve the equation square root straight line subtract tangent Theorem triangle ABC trigonometric functions trigonometry unit vector vertex vertical voltage volts zero