"[54C539B3EE13]" . . . . "Praha" . "The article explains experimentally the concept of the effective (RMS) value of alternating current and voltage. It describes an experiment with two small light bulbs, a controllable power supply, generator, voltmeter and oscilloscope which allows us to explore the RMS value of voltage of various waveforms and compare it to theory. The article also shows how the RMS value relates to the phase angle regulation. Last but not least the article discusses the way how simple digital multimeters used in a school labs measure and diplay the RMS value of alternating current and voltage."@en . "Efektivn\u00ED hodnota proudu a nap\u011Bt\u00ED" . "Effective (RMS) value of alternating current and voltage"@en . "\u017Dilav\u00FD, Peter" . "978-80-87343-11-1" . . "P3K s.r.o." . . "\u010Cl\u00E1nek experiment\u00E1ln\u011B objas\u0148uje pojem efektivn\u00ED hodnota st\u0159\u00EDdav\u00E9ho proudu a nap\u011Bt\u00ED. P\u0159edkl\u00E1d\u00E1 experiment, p\u0159i kter\u00E9m lze pomoc\u00ED dvojice \u017E\u00E1rovi\u010Dek, regulovateln\u00E9ho zdroje, gener\u00E1toru, voltmetru a osciloskopu prozkoumat efektivn\u00ED hodnotu nap\u011Bt\u00ED r\u016Fzn\u00FDch pr\u016Fb\u011Bh\u016F a porovnat ji s teori\u00ED. Ukazuje tak\u00E9, jak souvis\u00ED pojem efektivn\u00ED hodnota proudu \u010Di nap\u011Bt\u00ED s f\u00E1zovou regulac\u00ED v\u00FDkonu. V neposledn\u00ED \u0159ad\u011B tak\u00E9 rozeb\u00EDr\u00E1, jak\u00FDm zp\u016Fsobem m\u011B\u0159\u00ED a zobrazuj\u00ED efektivn\u00ED hodnotu proudu a nap\u011Bt\u00ED jednoduch\u00E9 digit\u00E1ln\u00ED multimetry vyu\u017E\u00EDvan\u00E9 ve \u0161koln\u00EDch laborato\u0159\u00EDch." . . "Effective (RMS) value of alternating current and voltage"@en . "RIV/00216208:11320/12:10130374!RIV13-MSM-11320___" . . . "RIV/00216208:11320/12:10130374" . "N\u00E1chod, \u010CR" . "digital multimeter; phase angle regulation; voltage; electric current; RMS value; effective value"@en . . . . "7"^^ . "1"^^ . "Efektivn\u00ED hodnota proudu a nap\u011Bt\u00ED"@cs . . "http://kdf.mff.cuni.cz/~zilavy/clanky/Efektivni_hodnota.pdf" . . . . "Efektivn\u00ED hodnota proudu a nap\u011Bt\u00ED"@cs . . "1"^^ . "132880" . . "D\u00EDlny Heur\u00E9ky 2012, sborn\u00EDk konference projektu Heur\u00E9ka" . "2012-10-05+02:00"^^ . "Efektivn\u00ED hodnota proudu a nap\u011Bt\u00ED" . "11320" . . "\u010Cl\u00E1nek experiment\u00E1ln\u011B objas\u0148uje pojem efektivn\u00ED hodnota st\u0159\u00EDdav\u00E9ho proudu a nap\u011Bt\u00ED. P\u0159edkl\u00E1d\u00E1 experiment, p\u0159i kter\u00E9m lze pomoc\u00ED dvojice \u017E\u00E1rovi\u010Dek, regulovateln\u00E9ho zdroje, gener\u00E1toru, voltmetru a osciloskopu prozkoumat efektivn\u00ED hodnotu nap\u011Bt\u00ED r\u016Fzn\u00FDch pr\u016Fb\u011Bh\u016F a porovnat ji s teori\u00ED. Ukazuje tak\u00E9, jak souvis\u00ED pojem efektivn\u00ED hodnota proudu \u010Di nap\u011Bt\u00ED s f\u00E1zovou regulac\u00ED v\u00FDkonu. V neposledn\u00ED \u0159ad\u011B tak\u00E9 rozeb\u00EDr\u00E1, jak\u00FDm zp\u016Fsobem m\u011B\u0159\u00ED a zobrazuj\u00ED efektivn\u00ED hodnotu proudu a nap\u011Bt\u00ED jednoduch\u00E9 digit\u00E1ln\u00ED multimetry vyu\u017E\u00EDvan\u00E9 ve \u0161koln\u00EDch laborato\u0159\u00EDch."@cs . "I" . .