A Laboratory Course in Everyday PhysicsMacmillan, 1931 - 205 σελίδες |
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Σελίδα 212
... coil remains stationary . In those of the other type , the coil moves , and the magnet remains stationary . In our experiments on the magnetic effect of the electric current , page 175 , we found that if a magnetic needle is placed near ...
... coil remains stationary . In those of the other type , the coil moves , and the magnet remains stationary . In our experiments on the magnetic effect of the electric current , page 175 , we found that if a magnetic needle is placed near ...
Σελίδα 213
... coil of insulated wire wound about a piece of soft iron is an electromagnet . This electromagnet is suspended so that mirror N - FIG . 150. A galvanometer with fixed coil and movable magnet . its poles are at right angles to those of ...
... coil of insulated wire wound about a piece of soft iron is an electromagnet . This electromagnet is suspended so that mirror N - FIG . 150. A galvanometer with fixed coil and movable magnet . its poles are at right angles to those of ...
Σελίδα 223
... coil , it produces a current opposite in direction to that produced when a north pole leaves . Similar results are ... coil , we can place it in the coil and simply start and stop the current . If , in each case , we find the direction ...
... coil , it produces a current opposite in direction to that produced when a north pole leaves . Similar results are ... coil , we can place it in the coil and simply start and stop the current . If , in each case , we find the direction ...
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