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Iowa Electrician Practice 18

Practice 18 for Electrician Exam learners in Iowa: 25 questions, explained answers, and a review routine.

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Question 1

1

What is the standard unit used to express electrical power in load calculations?

Question 2

2

Using Ohm's Law, if a 120 V circuit has a resistance of 12 ohms, what is the current flowing?

Question 3

3

A single ground rod is installed and tested. Its measured resistance to earth is 35 ohms. What additional action is generally required?

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