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Electrical Installation 202 Scientific Principles Set 2 Questions And Answers With Verified Solutions Already Passed!!! $11.49   Add to cart
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Electrical Installation 202 Scientific Principles Set 2 Questions And Answers With Verified Solutions Already Passed!!!
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Electrical Installation 202 Scientific Principles Set 2 Questions And Answers With Verified Solutions Already Passed!!!

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Document information

  • October 17, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • electromagnet
  • electrical installation 202 scientific principles
  • formula for quantity of electric charge
  • the thermal trip on a direct line starter is to

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  • EWRB
  • EWRB

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Electrical Installation 202 Scientific
Principles Set 2 Questions And Answers
With Verified Solutions Already
Passed!!!
Formula for quantity of electric charge - ANSWER✔✔Q = I x t

Electromagnet - ANSWER✔✔Soft iron bar with coil of insulated wire wrapped
around it.

6.61 ohm - ANSWER✔✔Resistance of a 230V, 8kW power shower.
V^2/R = P
R = V^2/P

Provide thermal overload protection - ANSWER✔✔The thermal trip on a direct
line starter is to:

RMS Voltage - ANSWER✔✔Voltmeter measures?

Coulomb - ANSWER✔✔Quantity of charge

X_L = 2 x Pi x FL - ANSWER✔✔Inductive reactance formula

Readings affected if 2 cables clamped together - ANSWER✔✔Disadvantage of
current-measuring clamp-meter

Reactive Power = Q in VAR
So Q^2 = S^2 - P^2 = 169.256^2 - 119.365^2 = 120 VAR -
ANSWER✔✔Measurements of an electrical installation reveal the following
readings: 119.365W and 169.256VA, what is the value of reactive power if: S^2 =
P^2 + Q^2

eddy current losses - ANSWER✔✔Metal cores within electrical machines
laminated to reduce?

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