Both devices have a 'gate', in addition to an anode and cathode (for the SCR) and 2 'main terminals' (for the triac). With the gate disconnected, the 2 devices (SCR and triac) act as open circuits. They will not conduct any DC current (SCR) or AC current (triac).
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answers.yahoo.com/question/index?qid=20080512091028AAhN...
answers.yahoo.com/question/index?qid=20080512091028AAhNTHT
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Wiring and Electricity question: Difference between a cathode and anode? ANODE IS NEGATIVE AND CATHODE IS POSITIVE ... Answers.com > Wiki Answers > Categories > Technology > Wiring and Electricity > Difference between a cathode and anode?
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wiki.answers.com/Q/Difference_between_a_cathode_and_ano...
wiki.answers.com/Q/Difference_between_a_cathode_and_anode
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; A negative (-) electrode. The point of entry of electrons into a device from an external circuit. The negative electrode of a semiconductor diode...
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www.cartage.org.lb/en/themes/Sciences/Physics/Electroma...
www.cartage.org.lb/en/themes/Sciences/Physics/Electromagnetism/Electrostatics/Definition/C/cathode.htm
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the anode is usually the positive electrode and the cathode the negative electrode. In some electric devices, e.g., an electric battery, nonelectric energy is converted to electric energy, causing current to flow within the device from the ...
http://qanda.encyclopedia.com/question/difference-betwe...
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The current on the anode is considered a positive current according to international convention; however, in electroanalytical chemistry the anodic current is often considered negative. Contrast with cathode. 2. Magnesium anodes prevent tank failure due to corrosion.
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bugclub.org/beginners/batteries/anode.html
bugclub.org/beginners/batteries/anode.html
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Laser apparatus includes a ceramic tube within which is contained a gas and a cylindrical cathode having a plurality of holes therethrough. An anode is located along the axis of the tube. ... During operation of the apparatus, a large potential difference is applied between the anode and cathode, causing a plurality...
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www.patentgenius.com/patent/4825446.html
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A process of generating electricity from natural gas comprises supplying air to the cathode side of a solid oxide fuel cell; ... A potential difference is produced between the anode 33 and the cathode 35. Via electrically conducting wires 41 the terminals ofthe anode 33 and the cathode 35 are connected to a load...
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www.patentgenius.com/patent/6432565.html
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Chemists in order to measure the voltage of any two half cells that were hook together set up some standard conditions and a half cell that they used as a reference. ... Using the table of standard reductions provided write the equation for the reaction between the following two half cells, and determine its voltage.
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www.saskschools.ca/curr_content/chem30/modules/module8/...
www.saskschools.ca/curr_content/chem30/modules/module8/lesson3/calculatingvoltage.html
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the pure metal is obtain on the cathode ...it is positively charge........ and the impure metal is obtain on the anode.......its negatively charged........
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