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Physical Principles of Shortwave Diathermy
Apparatus and Measurements
9 other sections not shown
alternating current ammeter amperes anode apparatus applied arrangement axilla bandage blood body capacity cause choke coil condenser field conductor connected considered couch current passes damped density dielectric displacement current distribution elec electrical electrode is placed electrode unit faradic filament flexible electrode flexible unit glass grid heating effect high voltage high-frequency current high-frequency energy increased inductance infection insulating joint Joule's Law limb lines localised long wave long-wave diathermy low thermal effect material maximum megacycles ment metal method metres muscle necessary nerve obtained occur oscillator coil oscillatory circuit output pain pathological patient patient's circuit physiotherapist plates position produced quency reactance resistance resonator circuit resonator coil result rigid electrode rigid unit sensation short wave short-wave diathermy Short-Wave Therapy shown in Fig skin spark gap superficial suppuration surface Technique.—The temperature term terminal therapeutic thermionic valve tion treated treatment tube unit is placed valve wave-length wire