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AC/DC SACA Final Exam Study Guide Test.
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AC/DC SACA Final Exam Study Guide Test. How many degrees apart are the phases of a balanced three phase system? - CORRECT ANSWER 120 What does an electrical schematic not show? - CORRECT ANSWER Physical connections Resistance is measured in units of? - CORRECT ANSWER Ohms What is the...

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  • December 10, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • saca
  • acdc saca final exam study guide test

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AC/DC SACA Final Exam Study Guide
Test.
How many degrees apart are the phases of a balanced three phase system? - CORRECT ANSWER 120



What does an electrical schematic not show? - CORRECT ANSWER Physical connections



Resistance is measured in units of? - CORRECT ANSWER Ohms



What is the power formula? - CORRECT ANSWER P=IxE



What is power measured in? - CORRECT ANSWER Watts



What is the function of an inductor? - CORRECT ANSWER It opposes a change in current flow



A coil is a_________? - CORRECT ANSWER Output



Which of the following is an output? - CORRECT ANSWER Solenoid



What is the formula to solve for current? - CORRECT ANSWER I=E/R



When troubleshooting a circuit, what can be said if the total resistance of the parallel circuit does not
change when a branch is removed? - CORRECT ANSWER An open exists in the removed branch



The unit for electromotive force (emf) is? - CORRECT ANSWER Volt



What is the relationship of the applied voltage across two electrical components in parallel with each
other? - CORRECT ANSWER They are the same

, Which feature of a ground circuit creates a safe path for current? - CORRECT ANSWER Low resistance to
earth



An ohmmeter is reading total circuit resistance reads 0 ohms when all branches are connected and
reads 200 ohms when a branch is disconnected. What condition exists? - CORRECT ANSWER There is a
short in the disconnected branch



A series circuit has a total of three resistors, 5 ohms, 3 ohms, and 16 ohms. What is the Rt of this circuit?
- CORRECT ANSWER 24 ohms



When testing an indicator light, one must first remove it from the circuit and place a multimeter across
its threaded area and base or input leads. What is the next step in testing the indicator light? - CORRECT
ANSWER Set the meter for resistance and check the reading



What is the secondary coil voltage of a transformer that has 120v supplied, 400 turns on the primary
and 100 turns on the secondary? - CORRECT ANSWER 30v



A voltmeter is connected in a circuit by? - CORRECT ANSWER Placing the test leads in parallel with the
circuit device



To measure current in a current, how is the meter placed in the circuit? - CORRECT ANSWER In series
with the circuit or component



Which of the following is the formula for TR - CORRECT ANSWER TR=NP/NS



Which of the following is an immediate danger of unsecured electrical cords? - CORRECT ANSWER Trip
hazard



A series circuit has three resistors. The voltage measured across each resistor is 4vdc, 8vdc, and 12vdc.
What is the Et of this circuit? - CORRECT ANSWER 24



When checking for voltage in a circuit, the test leads of the multimeter must be placed in______with the
circuit? - CORRECT ANSWER Parallel

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