Basic Mathematics for RadioPrentice-Hall, 1948 - 339 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 3 από τα 52.
Σελίδα 81
... Formula ( 14 ) for I .; M ; Ip . ( 14 ) 27. Formula ( 15 ) is encountered when finding the number of turns n2 on the secondary of an r - f ( radio - frequency ) transformer . M = 0.0501ninga2 √12 + A2 where M = mutual inductance n1 ...
... Formula ( 14 ) for I .; M ; Ip . ( 14 ) 27. Formula ( 15 ) is encountered when finding the number of turns n2 on the secondary of an r - f ( radio - frequency ) transformer . M = 0.0501ninga2 √12 + A2 where M = mutual inductance n1 ...
Σελίδα 159
... formula for this condition . 6. For calculations of resonant frequency in filter circuits , L is given in henries and C in microfarads . Express the formula for this condition . 7. To calculate the current in an a - c circuit having ...
... formula for this condition . 6. For calculations of resonant frequency in filter circuits , L is given in henries and C in microfarads . Express the formula for this condition . 7. To calculate the current in an a - c circuit having ...
Σελίδα 285
... Formula 3 : By algebra : ( b ) From Formula 3 : = 34.3 ° ; to find a , b , and B. sin A = a a = c sin A = 427 X 0.5635 = 241 b cos A - By algebra : b = c cos A = 427 X 0.8261 = 353 ( c ) From Formula 1 : = B 90 34.3 = 55.7 ° ( d ) From ...
... Formula 3 : By algebra : ( b ) From Formula 3 : = 34.3 ° ; to find a , b , and B. sin A = a a = c sin A = 427 X 0.5635 = 241 b cos A - By algebra : b = c cos A = 427 X 0.8261 = 353 ( c ) From Formula 1 : = B 90 34.3 = 55.7 ° ( d ) From ...
Περιεχόμενα
ADDITION SUBTRACTION MULTIPLICATION AND DIVISION IN ARITHMETIC | 3 |
DEFINITIONS AND SYMBOLS | 13 |
INVOLUTION AND EVOLUTION IN ARITHMETIC | 15 |
Πνευματικά δικαιώματα | |
44 άλλες ενότητες δεν εμφανίζονται
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
algebraic angle answer applied Axiom base called Chapter Check chord circle circuit circumference common complex Construct COROLLARY curve decimal definition diameter difference direction distance divided division Draw drawn engineering equal equation example exponent expression fact factors figure formula fraction functions geometry given greater inches indicated inscribed length letter light logarithms magnitude mathematical means measure Multiply necessary negative Note obtained ohms operation opposite parallel perpendicular places polygon positive Postulate practice problems proof Prove quadrant quantity radio radius ratio regular represents resistance respectively result right angle right triangle root rotation rule shown sides similar sine solution Solve square Statement straight line subtract surface tangent Theorem third triangle unit usually vertical voltage wave zero