Electrotherapy and Actinotherapy: A Textbook for Student Physiotherapists |
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Page 77
... plates separated by an insulator , which is called the dielectric . DISPLACEMENT CURRENTS . When the plates of a con- denser are charged there is a momentary movement of electrons within the atoms of the dielectric as molecular ...
... plates separated by an insulator , which is called the dielectric . DISPLACEMENT CURRENTS . When the plates of a con- denser are charged there is a momentary movement of electrons within the atoms of the dielectric as molecular ...
Page 80
... plates with air as the dielectric . Each plate is commonly made up of several sheets of metal which are semi ... plates of a charged con- denser , the forces acting along electric lines of force . Charac- teristics of these are given in ...
... plates with air as the dielectric . Each plate is commonly made up of several sheets of metal which are semi ... plates of a charged con- denser , the forces acting along electric lines of force . Charac- teristics of these are given in ...
Page 82
... plate is charged is described under electrostatic induction in Chapter 1 . More usually the condenser is charged directly by connecting the two plates to the opposite poles of a source of supply . Electrons pass from the negative pole ...
... plate is charged is described under electrostatic induction in Chapter 1 . More usually the condenser is charged directly by connecting the two plates to the opposite poles of a source of supply . Electrons pass from the negative pole ...
Contents
CHAPTER PAGE I STATIC ELECTRICITY | 3 |
CURRENT ELECTRICITY | 18 |
CHEMICAL EFFECTS OF CURRENT | 32 |
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Electrotherapy and Actinotherapy: A Textbook for Student Physiotherapists Edward Bellis Clayton,Pauline M. Scott No preview available - 1965 |
Common terms and phrases
absorbed ampere anode apparatus applied atom blood supply cable capacity cathode cause cells chemical circuit condenser conductor connected current flows current passes denervated muscle diathermy dielectric constant direct current discharge dose duration effect electric field electromagnetic electromagnetic induction energy epidermis erythema faradic filament frequency grid heat high-frequency current hydrogen hydroxyl impedance impulses increased inductance infra-red rays innervated insulating intensity of current ionisation ions lesion lines of force magnetic field material metal metal rectifiers meter method milliampere milliseconds molecules move movement muscle contraction negative charge obtained occur oscillator output p-type semiconductor parallel pathway patient physiotherapist placed plates pole positive charge potential produced quantity of electricity reaction reduced reflector resistance rise secondary coil self-induced EMF short-wave diathermy shown in Fig skin solution surface surged switch temperature treatment head tube turns of wire ultra-violet rays valve varies vasodilatation voltage volts wave-length wireless waves wound zinc