Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 140
... ohms . Expressed in symbols , this formula is E = IR where E electromotive force I = intensity of current = = 40 , what is E ? = 456 , how much current flows ? If I R = resistance 3 and R 7. If E = 220 and R 8. If the current is 0.25 ...
... ohms . Expressed in symbols , this formula is E = IR where E electromotive force I = intensity of current = = 40 , what is E ? = 456 , how much current flows ? If I R = resistance 3 and R 7. If E = 220 and R 8. If the current is 0.25 ...
Σελίδα 141
... ohms each , in series , across 550 volts ? 16. How much line current flows through a 660 - watt heater of 120 volts ... ohms . If 6 radio tubes are connected in parallel across a 6.3 - volt battery , and each has a filament resistance of ...
... ohms each , in series , across 550 volts ? 16. How much line current flows through a 660 - watt heater of 120 volts ... ohms . If 6 radio tubes are connected in parallel across a 6.3 - volt battery , and each has a filament resistance of ...
Σελίδα
... ohms 9. 0.0375 amp .; or 37.5 ma . 10. 4.365 ohms 11. 0.45 amp . 12. 301 ohms 14. 185 watts 15. 247.5 watts 16. 5.5 amp . 17. 21.818 ohms 18. $ 8.42 19. $ 6.24 10. 29.92 " 11. 137.16054 cm . 12. 16.387 cu . cm . 13. 3785.397 c . c . 14 ...
... ohms 9. 0.0375 amp .; or 37.5 ma . 10. 4.365 ohms 11. 0.45 amp . 12. 301 ohms 14. 185 watts 15. 247.5 watts 16. 5.5 amp . 17. 21.818 ohms 18. $ 8.42 19. $ 6.24 10. 29.92 " 11. 137.16054 cm . 12. 16.387 cu . cm . 13. 3785.397 c . c . 14 ...
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