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HVAC Level 1 Module 3 Electricity Questions And Answers With Complete Solution

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This document provides the complete set of HVAC Level 1, Module 3: Electricity questions, answers, and fully worked solutions. It covers fundamental electrical concepts such as voltage, current, resistance, Ohm’s law, circuit types, and electrical safety in HVAC systems. Designed for apprentices and trainees, this guide helps learners build a strong understanding of electrical principles essential for troubleshooting and system installation.

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April 17, 2024
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Written in
2023/2024
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HVAC Level 1 Module 3 Electricity Questions And
Answers With Complete Solution


Electrons flow from __________ to ____________.
negative, postitive
What is the better conductor of electricity? Copper, Gold, oil, or aluminum
gold
One horsepower equals ____________.
746 watts
Transformers are used to lower voltages because very _____ voltages can be
transmitted easier and cheaper than 240 volts.
high
High voltage is defined as above ____ volts.
600
Effective voltage is defined as what percent of peak voltage?
70.7%
Formula to find voltage?
E=IXR
Formula to find current?
I = E/R
Formula to find resistance?
R = E/I
Current uses _____?
amperes
Resistance uses ____?
Ohms
Voltage uses _____.?
Volts
Formula for total resistance with two resitances?
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