A Laboratory Course in Everyday PhysicsMacmillan, 1931 - 205 σελίδες |
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Σελίδα 170
... pole or simply the north pole of the magnet . The other end is called the south pole . If we suspend a magnet in a stirrup and then bring the north pole of another magnet near the north pole of the suspended magnet , we find that they ...
... pole or simply the north pole of the magnet . The other end is called the south pole . If we suspend a magnet in a stirrup and then bring the north pole of another magnet near the north pole of the suspended magnet , we find that they ...
Σελίδα 171
... pole separate from a south pole , but we can use a small magnetic needle to mark out the magnetic lines of force of a magnet . If a small compass is placed near the north pole of a magnet and then moved a short distance at a time in the ...
... pole separate from a south pole , but we can use a small magnetic needle to mark out the magnetic lines of force of a magnet . If a small compass is placed near the north pole of a magnet and then moved a short distance at a time in the ...
Σελίδα 223
... pole enters . When the south pole leaves the coil , it produces a current opposite in direction to that produced when a north pole leaves . Similar results are obtained when an electromagnet is used instead of a permanent magnet . In ...
... pole enters . When the south pole leaves the coil , it produces a current opposite in direction to that produced when a north pole leaves . Similar results are obtained when an electromagnet is used instead of a permanent magnet . In ...
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