Basic Mathematics for Television and Radio |
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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 141
What is the resistance of a 660 - watt heater designed for a 120 - volt line ? 18. The electric - light company charges for the energy it supplies ; that is , the power consumed is multiplied by the time during which the power is ...
What is the resistance of a 660 - watt heater designed for a 120 - volt line ? 18. The electric - light company charges for the energy it supplies ; that is , the power consumed is multiplied by the time during which the power is ...
Σελίδα 370
Find their equivalent resistance Ro , using first R1 1 and then using Ro = Ꭱ . Ro = 1+ R 2 + R1 R2 11. Solve either equation of Problem 10 for R2 . 12. Two resistors have resistances of 10,000 and 5000 ohms respectively .
Find their equivalent resistance Ro , using first R1 1 and then using Ro = Ꭱ . Ro = 1+ R 2 + R1 R2 11. Solve either equation of Problem 10 for R2 . 12. Two resistors have resistances of 10,000 and 5000 ohms respectively .
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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