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CHAPTER PAOE 1 STATIC ELECTRICITY
CHEMICAL EFFECTS OF CURRENT
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absorbed active electrode alternating current ampere anode apparatus applied atom bath blood supply cable capacity cathode cause cells chemical choke coil 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 erythema faradic filament fluid frequency grid heat hydrogen hydroxyl impedance impulses increased inductance infra-red infra-red rays innervated insulating intensity of current ionisation lamp lesion lines of force magnetic field material metal metal rectifiers meter method molecules move movement muscle contraction negative charge obtained occur oscillator output pathway patient physiotherapist placed plates pole potential primary coil produced quantity of electricity reduced reflector resistance rise secondary coil self-induced EMF short-wave diathermy shown in Fig skin solution surface surged switch temperature tube turns of wire ultra-violet irradiation ultra-violet rays valve varies vasodilatation voltage volts wave-length wireless waves wound zinc