Electrical Circuits Test 2: Questions and Answers 2024/2025, Exams of Electrical Engineering

A comprehensive set of questions and answers related to electrical circuits, covering topics such as series and parallel circuits, troubleshooting techniques, and circuit analysis. It includes definitions of key concepts, explanations of circuit behavior under different conditions (e.g., open or short circuits), and practical applications like voltage dividers and bridge circuits. The material is designed to test and reinforce understanding of fundamental electrical engineering principles, making it a valuable resource for students and professionals in the field. It also covers topics such as kirchoff's laws, meter measurements, and common materials used in circuit boards and cables. Structured as a series of questions and their corresponding correct answers, facilitating quick review and self-assessment.

Typology: Exams

2024/2025

Available from 09/08/2025

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ATT TEST 2 COMPLETE SOLUTION 2024/2025
Definition of series circuit - correct answerCurrent flows in a single path through all
components
In which direction does current flow? - correct answerNegative to positive
Current is the ____ throughout whole circuit - correct answerSame
4 steps of troubleshooting - correct answerAnalyze, check setup, calculate/measure, check
results
An open series component drops _____ volts - correct answerApplied
Resistance is how much over open component? - correct answerMax or infinite
Short provides how much resistance? - correct answerNo resistance
Shorts read how many volts? - correct answer0 volts!!!
Is current or volts the same at all points in parallel circuit? - correct answerVolts. Each
branch reads applied volts
Open components in parallel branch have how much current? - correct answer0 A
Current is (blank) with an open in parallel branch - correct answerLowered
What happens to current with a short in parallel branch? - correct answerIncreases to MAX
Opening what series-parallel component will cause amps to be 0? - correct answerSeries
component. Volts dropped across open
Current (increases/decreases) if a parallel component opens in series-parallel - correct
answerDecreases
With open in parallel branch of s-p circuit: series volt drops(increase/decrease) and parallel
volt drop (increase/decrease) - correct answerDecrease, increase
Current increases or decreases with short in series component (s-p circuit) - correct
answerIncreases
What happens to REQ when there is a short in a parallel branch (s-p circuit) - correct
answerGoes to 0 ohms (parallel volt drops are 0 volts)
What happens to circuit values when a load is addedto voltage divider? - correct
answerResistance down, voltage down, current up
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ATT TEST 2 COMPLETE SOLUTION 2024/

Definition of series circuit - correct answerCurrent flows in a single path through all components In which direction does current flow? - correct answerNegative to positive Current is the ____ throughout whole circuit - correct answerSame 4 steps of troubleshooting - correct answerAnalyze, check setup, calculate/measure, check results An open series component drops _____ volts - correct answerApplied Resistance is how much over open component? - correct answerMax or infinite Short provides how much resistance? - correct answerNo resistance Shorts read how many volts? - correct answer0 volts!!! Is current or volts the same at all points in parallel circuit? - correct answerVolts. Each branch reads applied volts Open components in parallel branch have how much current? - correct answer0 A Current is (blank) with an open in parallel branch - correct answerLowered What happens to current with a short in parallel branch? - correct answerIncreases to MAX Opening what series-parallel component will cause amps to be 0? - correct answerSeries component. Volts dropped across open Current (increases/decreases) if a parallel component opens in series-parallel - correct answerDecreases With open in parallel branch of s-p circuit: series volt drops(increase/decrease) and parallel volt drop (increase/decrease) - correct answerDecrease, increase Current increases or decreases with short in series component (s-p circuit) - correct answerIncreases What happens to REQ when there is a short in a parallel branch (s-p circuit) - correct answerGoes to 0 ohms (parallel volt drops are 0 volts) What happens to circuit values when a load is addedto voltage divider? - correct answerResistance down, voltage down, current up

Bridge circuits compare what two values - correct answerKnown and unknown resistive values What type of resistor is metal film? - correct answerPrecision Meter is in (series/parallel ) for current measurements - correct answerSeries Meter ais ain a(series/parallel) afor avoltage ameasurements a- acorrect aanswerParallel What ais aadded ato acurrent ameasurements ato areduce ameter aloading a- acorrect aanswerSmall aparallel aresistors What ais aadded ato avoltage ameasurements ato areduce ameter aloading?. a- acorrect aanswerLarge aseries aresistors What, ais athe adefinition aof acomplex acircuits? a- acorrect aanswerCircuits ain awhich acurrent acan aflow ain amultiple adirections athrough acomponents What ais aKirchoff's aCurrent aLaw? a- acorrect aanswerTotal acurrent aentering ais asame aas acurrent aleaving a(a apoint) What ais aKirchoff's aVoltage aLaw? a- acorrect aanswerThe asum aof avoltage adrops ain aa aclosed aloop amust abe aequal ato azero. meter aresistance ashould abe a(small/large) acompared ato acircuit avalues ain avoltage areadings a- acorrect aanswerLarge Meter aresistance ashould abe a(small/large) acompared ato acircuit avalues ain acurrent areadings? a- acorrect aanswerSmall Localizing afaults ahappens ain awhich astep aof atroubleshooting a- acorrect aanswerCalculate/measure Who ais athe abest aand acutest agirlfriend? a- acorrect aanswerSara What amaterial aare acircuit aboard atraces amade aof a- acorrect aanswerCopper What ais athe amost acommon atype aof asolder a- acorrect aanswer63/37 a( atin/lead) What atype aof acable ais aused afor ahigh afrequency a- acorrect aanswerCoaxial What acable ais aused ato areduce aelectrical anoise a- acorrect aanswerTwisted apair Longer awires ahave a_____________ aresistance a- acorrect aanswerHigher Wires awith aincreased asurface aarea ahave.. ahigher/lower aresistance a- acorrect aanswerLower