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Electrical Theory Practice Test 100% Correct!! $14.99   Add to cart

Exam (elaborations)

Electrical Theory Practice Test 100% Correct!!

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  • Course
  • Electrical Theory
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  • Electrical Theory

Voltmeter - ANSWERA high resistance is connected in series with the internal coil of a galvanometer to make? If a transformer ratio is 20/1, what does it mean for the secondary? - ANSWERThe primary voltage is 20 times greater than that of the secondary. If a motor enclosure is designed to con...

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  • October 10, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Electrical Theory
  • Electrical Theory
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papersmaster01
Electrical Theory Practice Test 100%
Correct!!

Voltmeter - ANSWERA high resistance is connected in series with the internal coil of a galvanometer
to make?



If a transformer ratio is 20/1, what does it mean for the secondary? - ANSWERThe primary voltage is
20 times greater than that of the secondary.



If a motor enclosure is designed to contain sparks or flashes that could ignite surrounding vapors or
gases, then the enclosure is considered to be which of the following: - ANSWERVentilated



The output of a 3-phase transformer is measured in what units? - ANSWERAmperes



In order to change the rotation of a DC series motor, what must be done? - ANSWERF1 and F2 must
be reversed.



What does Bonding do? - ANSWERControls the load on the system installation



A meter used to measure both AC and DC voltage and current is known as? - ANSWERMultimeter



What material is used on conduits inside and outside of a box? - ANSWERCouplings



If a transformer has a voltage step-down from 117 volts to 6 volts then the ratio of the transformer is
equal to what? - ANSWER1: 19, 5



If the power factor of a circuit is increased, then what occurs? - ANSWERThe reactive power is
decreased



In a 3Ø circuit, how many electrical degrees separate each phase: - ANSWER120

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