Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 140
... radio - tube filament ? 9. How many amperes will flow through the windings of a dynamic loud- speaker coil of 3200 ohms when the coil is placed across a 120 - volt circuit ? 10. If the current is 2.75 amperes , how much resistance must ...
... radio - tube filament ? 9. How many amperes will flow through the windings of a dynamic loud- speaker coil of 3200 ohms when the coil is placed across a 120 - volt circuit ? 10. If the current is 2.75 amperes , how much resistance must ...
Σελίδα 297
... radio , approximate the conditions of this paragraph . If this sine wave of voltage is impressed across the terminals of a pure inductance , the current is 90 ° or π / 2 radians behind the voltage . The current is said to lag the ...
... radio , approximate the conditions of this paragraph . If this sine wave of voltage is impressed across the terminals of a pure inductance , the current is 90 ° or π / 2 radians behind the voltage . The current is said to lag the ...
Σελίδα 335
George Frederick Maedel. CHAPTER 37 Mathematics Applied to Television and Radio Maintenance , Analysis and Design Introduction . Mathematics cannot , by itself , teach television and radio . Understanding these systems requires an ...
George Frederick Maedel. CHAPTER 37 Mathematics Applied to Television and Radio Maintenance , Analysis and Design Introduction . Mathematics cannot , by itself , teach television and radio . Understanding these systems requires an ...
Περιεχόμενα
CHAPTER PAGE 1 ADDITION SUBTRACTION MULTIPLICATION AND DIVISION IN ARITHMETIC | 3 |
DEFINITIONS AND SYMBOLS | 12 |
INVOLUTION AND EVOLUTION IN ARITHMETIC | 15 |
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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