A Laboratory Course in Everyday PhysicsMacmillan, 1931 - 205 σελίδες |
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Σελίδα 162
... produced by friction . Electricity may be pro- duced by rubbing together any two different substances . Prob- ably you have all produced electricity in this way at one time or another . For example , when the air is very dry , as it ...
... produced by friction . Electricity may be pro- duced by rubbing together any two different substances . Prob- ably you have all produced electricity in this way at one time or another . For example , when the air is very dry , as it ...
Σελίδα 209
... produced per minute ? = 6.336 H ( kilogram calories ) = 4 X 110 X 60 X .00024 The heat produced in one minute is 6.336 kilogram calories . Problem . The heating element of an electric oven has a resistance of 44 ohms . The current is 5 ...
... produced per minute ? = 6.336 H ( kilogram calories ) = 4 X 110 X 60 X .00024 The heat produced in one minute is 6.336 kilogram calories . Problem . The heating element of an electric oven has a resistance of 44 ohms . The current is 5 ...
Σελίδα 223
Carleton John Lynde. coils , it produces an induced current in the opposite direction to that of the current produced when the north pole enters . When the south pole leaves the coil , it produces a current opposite in direction to that ...
Carleton John Lynde. coils , it produces an induced current in the opposite direction to that of the current produced when the north pole enters . When the south pole leaves the coil , it produces a current opposite in direction to that ...
Περιεχόμενα
CHAPTER | 1 |
CHAPTER II | 13 |
CHAPTER III | 20 |
Πνευματικά δικαιώματα | |
16 άλλες ενότητες δεν εμφανίζονται
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
amperes appliances armature atmosphere B. T. U. of heat bell body boiling point Boyle's law British Thermal Unit calories carbon centimeter coil cold water compressed convection cooled copper cubic cylinder Daniell cell density diagram direction distance dynamo electric current electromagnet electromotive force engine equal evaporation example exerted expands experiment fire flask foot pounds force arm fruit press fulcrum gases glass gram hot-water induced current iron jackscrew Joule's law lamp latent heat Leclanché cell lens lever lines of force liquid magnetic lines measure mercury metal meter molecules motor moves north pole object Ohm's law ohms Pascal's law passes pipe piston placed plate poundals pressure produced radiation rays resistance screw shown in Fig sound south pole square inch steam stove stroke substance surface tank temperature thermometer tube turned vacuum valve velocity vibration volts volume warmed watts waves weight arm wire