Basic Mathematics for Television and Radio |
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Σελίδα 40
We may add enough to make the bias voltage positive or subtract to make it much more negative than 5 volts . eg Ip ip = 40 Milliamperes Average ip > 0 At all Times ip < 80 Milliamperes Usually eg = -5 Volts Average eg < 0 Volts Usually ...
We may add enough to make the bias voltage positive or subtract to make it much more negative than 5 volts . eg Ip ip = 40 Milliamperes Average ip > 0 At all Times ip < 80 Milliamperes Usually eg = -5 Volts Average eg < 0 Volts Usually ...
Σελίδα 140
In a d - c circuit , the electromotive force in volts is equal to the product of the current in amperes and the resistance in ohms . Expressed in symbols , this formula is where E I E = IR = electromotive force = R = intensity of ...
In a d - c circuit , the electromotive force in volts is equal to the product of the current in amperes and the resistance in ohms . Expressed in symbols , this formula is where E I E = IR = electromotive force = R = intensity of ...
Σελίδα 349
37-7 , when it is connected in series with a linear load resistance of 10,000 ohms across 400 volts . We draw the linear characteristic of the 10,000 - ohm resistance RL as in Fig . 37-8 . Instead of sloping upward to the right from the ...
37-7 , when it is connected in series with a linear load resistance of 10,000 ohms across 400 volts . We draw the linear characteristic of the 10,000 - ohm resistance RL as in Fig . 37-8 . Instead of sloping upward to the right from the ...
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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