Basic Mathematics for Television and Radio |
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Σελίδα 140
If the current is 0.25 amperes when the voltage is 5 volts , what must be the resistance of a 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 ...
If the current is 0.25 amperes when the voltage is 5 volts , what must be the resistance of a 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 ...
Σελίδα 297
A lamp load in power work , and a resistance load for a vacuum tube in 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 ...
A lamp load in power work , and a resistance load for a vacuum tube in 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 ...
Σελίδα 335
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 understanding of the physical ...
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 understanding of the physical ...
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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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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