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ü ‚Qÿÿ$ÿÿ°øV‘Ñ–\b9¢®Öhys©MnŠË!þ4œ'­R¿FG¹BGTRLCTìRCBR„IzX1BOXBÞBF‘[email protected]@CENR³LCOnT1ÆFINAñSECVOLTåCURRES™QNUMQ1cXVVVAN@QUE.QQAVCORAAVY¡AGAGBAKY1STARTŠ DIFFERENT€CHARGESCHARGES.OFPLACEDTHELEFTFREEELECTRON¼ÿÿ„€Dì.D¢³©®}re e e !Msd%çePeøde8Ós£de:Óddee]ƒe¼dde|eZƒe¼d d eeÐm.******* BASIC ELETRICAL QUANTITIES ******* ¹se¤ed ¹8¢sdsdÁmCTHIS PROGRAM PROVIDES A VARIETY OF TRUE-FALSE QUESTIONS DESIGNED TO"–sdsdÁmFREINFORCE THE FUNDAMENTAL CONCEPTS OF VOLTAGE, CURRENT, AND RESISTANCE–sdsdÁmIN AN ELECTRICAL CIRCUIT."–se¤sd)seÁm!SELECT TOPIC OF YOUR CHOICE (1-4)"–se se"Ám
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Áe6eÍS–d" Ñs£[MN¢ Öm%1. THE BASIC UNIT OF EMF IS THE VOLT."dmT"d!mG2. ELECTROMOTIVE FORCE AND POTENTIAL DIFFERENCE ARE ALTERNATE NAMES FOR"d mELECTRICAL FORCE OR VOLTAGE.d mT"d !m83. IT IS CORRECT TO SAY THAT THE VOLTAGE AT POINT A = 6Vd
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!m;4. VOLTAGE CAN FLOW THRU A CIRCUIT IF THE PATH IS COMPLETE."dmF"d!m@5. IN A CIRCUIT, VOLTAGE IS THE CAUSE AND CURRENT IS THE EFFECT.dmT"d!mE6. NO VOLTAGE EXISTS ACROSS POINTS X-Y IF POINT X HAS A -6 CHARGE AND"dmPOINT Y HAS A -9 CHARGE.dmF"d!m,7. VOLTAGE CANNOT EXIST ACROSS AN INSULATOR.dmF"d!mI8. A POTENTIAL DIFFERENCE IS REQUIRED TO FORCE ELECTRONS AROUND A CIRCUIT"d!mT"d!!mE9. A VOLTAGE EXISTS ACROSS POINTS X AND Y ONLY IF POINTS X AND Y HAVE"d%mDIFFERENT CHARGES.d%mT"d%!mF10. A VOLTAGE MAY BE PRODUCED BY SEVERAL OTHER FORMS OF ENERGY SUCH ASd)m/LIGHT, HEAT, CHEMICAL, MAGNETIC AND MECHANICAL."d)mT"d)!m911. WITHOUT A FLOW OF ELECTRONS, THERE CAN BE NO VOLTAGE."e mF"e !m;12. THE LONG LINE ON THE SYMBOL OF A BATTERY IS THE + LEAD."e mT"e !oäÞmD1. IF WE REVERSE THE CIRCUIT BATTERY, CURRENT WILL CONSIST OF MOVINGdmPROTONS INSTEAD OF ELECTRONS."dmF"d!mD2. CURRENT IS THE RATE OF FLOW OF CHARGE MEASURED IN COULOMBS/SECONDd m OR AMPERES."d mT"d !mB3. IF 6,240,000,000,000,000,000 ELECTRONS FLOW PAST A POINT IN ONEd
m"SECOND, THE CURRENT IS ONE AMPERE.d
mT"d
!m=4. THE ACTUAL SPEED OF ELECTRONS IS ONLY A FEW INCHES/MINUTE."dmT"d!mC5. A CHARGE OF -9 IS PLACED TO THE LEFT OF A FREE ELECTRON AND A -6"dm7CHARGE ON ITS RIGHT. THE ELCTRON WILL MOVE TO THE LEFT."dmF"d!m!6. A CURRENT FLOW CAUSES VOLTAGE."dmF"d!mF7. LIGHTNING IS AN EXAMPLE OF STATIC ELECTRICITY AS OPPOSED TO CURRENTdm ELECTRICITY.dmT"d!m08. CURRENT COULD NEVER FLOW THRU AN OPEN SWITCH.d!mF"d!!mB9. THE AMOUNT OF CURRENT FLOW DEPENDS ONLY ON THE APPLIED VOLTAGE.d%mF"d%!mB10. IN A DC CIRCUIT, THE DIRECTION OF CURRENT FLOW ONLY DEPENDS ONd)mTHE BATTERY POLARITY."d)mT"d)!m-11. CHARGE AND CURRENT ARE THE SAME QUANTITY."e mF"e !m812. CONVENTIONAL CURRENT FLOWS FROM + TO - IN A CIRCUIT.e mT"e !oÿÿåm@1. THE RESISTANCE OF A CIRCUIT DETERMINES THE AMOUNT OF CURRENT.dmF"d!m@2. OPPOSITION TO CURRENT CAUSED BY ELECTRON COLLISIONS IS CALLEDd m#RESISTANCE AND IS MEASURED IN OHMS."d mT"d !mA3. AMMETERS HAVE HIGH RESISTANCE SO AS NOT TO EFFECT THE CIRCUIT."d
mF"d
!mI4. A LARGE DIAMETER WIRE HAS LESS RESISTANCE THAN A SMALLER DIAMETER WIRE"dmT"d!mI5. A DANGEROUS CONDITION CAN OCCUR IN A CIRCUIT WHICH HAS ZERO RESISTANCE"dmT"d!mF6. IF IT WERE NOT FOR RESISTANCE, CURRENT COULD NOT FLOW IN A CIRCUIT.dmF"d!m37. CURRENT FLOW THRU A RESISTOR ALWAYS CAUSES HEAT."dmT"d!m48. AN OPEN SWITCH LOOKS LIKE ZERO OHMS TO A CIRCUIT.d!mF"d!!m99. HEATING A CONDUCTOR CAUSES ITS RESISTANCE TO INCREASE."d%mT"d%!m?10. THE RESISTANCE OF A SHORT CIRCUIT IS ESSENTIALLY ZERO OHMS."d)mT"d)!mB11. INSULATORS HAVE VERY HIGH RESISTANCE AND THEREFORE COULD NEVERe mCONDUCT ELECTRICITY.e mF"e !m912. THE LENGTH OF A WIRE DOES NOT EFFECT ITS OHMIC VALUE."e mF"e !o tÿÿÿÿ‹CEN8`v¢³©®s ³¤s ©seP ®- wnk?pÁ ®–Q ÿÿÿÿÿÿÿÿ QUE0¼ÿÿ„€vì.2
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