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19 Cards in this Set
- Front
- Back
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D/S HEAT UNITS
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HU= MA * S * KV * 1 SINGLE PHASE
* 1.35 FOR 3 PHASE 6 P * 1.41 FOR 3 PHASE 12 P *1.45 FOR HIGH FREQUENCY GENERATOR |
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ARE ELECTRONS IN THE OUTERMOST SHELL
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VALENCE
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AN _ IS THE SMALLEST PARTICLE OF AN ELEMENT THAT POSSESSES THE CHEMCIAL PROPERTIES OF THAT ELELMENT
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ATOM
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AN ATOM IS BEST D/S AS HAVING A SMALL DENSE CENTER KNOWN AS A _ WHICH IS SURROUNDED BY ELECTRONS THAT ORBIT IT AT VARIOUS LEVELS
EX:PROTONS AND NEUTRONS ARE FOUND HERE |
NUCLEUS
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POSITVELY CHARGED SUBATOMIC PARTICLE OF AN ATOM
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PROTON
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NEGATIVELY CHARGED SUBATOMIC PARTICLE OF AN ATOM
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ELECTRON
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SUBATOMIC PARTICLE OF AN ATOM HAVING NO CHARGE
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NEUTRONS
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AN ATOM HAS A SMALL, DENSE, POSITIVELY CHARGED NUCLEUS SURROUNDED BY ELETRONS AT PRECISE ENERGY LEVELS
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BOHRS THEORY
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ANY MATERIAL DOES NOT ALLOW ELECTRONS TO FLOW EASILY IS AN _
EX:RUBBER |
INSULATOR
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ANY MATERIALS THAT EASILY PERMIT ELECTRONS TO FLOW
EX:COPPER |
CONDUCTOR
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IN CURRENT FLOW WHEN ALL ELECTRONS MOVE IN THE SAME DIRECTION IS
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DIRECT CURRENT
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IN CURRENT FLOW WHEN ALL ELECTRONS MOVING FIRST IN ONE DIRECTION AND THEN REVERSE AND MOVE IN THE OPPOSITE DIRECTION
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ALTERNATING CURRENT
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_LAW DESCRIBES THE RELATIONSHIPS B/T CURRENT AND POTENTIAL DIFFERENCE AS THE CURRENT ALONG A CONDUCTOR IS PROPORTIONAL DIFF
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OHMS
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WHAT IS OHMS LAW PROB?
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V=IR
V=VOLTAGE I=CURRENT IN AMPERAGE R=RESISTANCE IN OHMS |
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THE BOILING OF ELECTRONS FROM THE SURFACE THIS RESULTS IN THE FORMATION OF AN ELECTRON CLOUD
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THERMONIC EMISSION
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THE UNIT OF CURRENT IS WHAT?
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AMP
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THE UNIT OF ELECTRICAL POTENTIAL IS THE WHAT?
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VOLT
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IS THE ADJUSTMENT USED ON XRAY MACHINES TO PRODUCE THE NUMBER OF ELECTRONS FLOWING PER SECOND INSIDE THE TUBE
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MaS
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THE UNIT OF RESISTANCE IS CALLED
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OHMS
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