A Laboratory Course in Everyday PhysicsMacmillan, 1931 - 205 σελίδες |
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Σελίδα 176
... wire carrying a current is surrounded by a magnetic field , and that the needle turns because it tends to set - The FIG . 123 . magnetic field about a wire carrying a cur- rent . itself parallel to this field . The magnetic field about a ...
... wire carrying a current is surrounded by a magnetic field , and that the needle turns because it tends to set - The FIG . 123 . magnetic field about a wire carrying a cur- rent . itself parallel to this field . The magnetic field about a ...
Σελίδα 189
... wire baked in enamel to the bottom plate of the iron . The current heats the wire and the enamel conducts the heat to the bottom of the iron . The disk stove . The heating element of the disk stove is made as follows . A long coil of thin ...
... wire baked in enamel to the bottom plate of the iron . The current heats the wire and the enamel conducts the heat to the bottom of the iron . The disk stove . The heating element of the disk stove is made as follows . A long coil of thin ...
Σελίδα 212
... wire and a current is sent through the wire , the magnetic needle tends to turn at right angles to the wire . If the wire passes under and over the needle , the turning force is doubled ; and if the magnetic needle is placed in the ...
... wire and a current is sent through the wire , the magnetic needle tends to turn at right angles to the wire . If the wire passes under and over the needle , the turning force is doubled ; and if the magnetic needle is placed in the ...
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