Question 1
A 120-volt circuit has a 20-ohm load connected. What current will flow according to Ohm's law?
Show answer & explanation
Correct answer: A - 6 amperes
10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
The IA-JE exam has 88 questions and runs 3 hours 30 minutes.
These 10 free IA-JE questions are organized by exam domain, so you can see how each part of the Iowa Journeyman Electrician License Exam blueprint is tested. Reveal the answer and explanation under each question.
A 120-volt circuit has a 20-ohm load connected. What current will flow according to Ohm's law?
Correct answer: A - 6 amperes
A feeder supplies continuous loads in a commercial building. What is the primary reason continuous loads are treated differently during load calculations?
Correct answer: A - To account for loads expected to operate for extended periods and prevent overheating
A ground-fault protection device trips when a portable tool is connected. What should be checked first?
Correct answer: A - Leakage current or a ground-fault condition
A raceway installation exceeds allowable conductor fill. What is the correct correction?
Correct answer: A - Install a larger raceway or change the wiring method
When terminating aluminum conductors, the electrician should:
Correct answer: A - Use terminals identified as suitable for the conductor material
A motor trips only during startup but runs normally afterward. What should be investigated first?
Correct answer: A - Starting current and motor branch circuit protection
A disconnecting means must be selected based on:
Correct answer: A - Proper rating and suitability for the equipment served
An electrician installs equipment in a commercial kitchen exposed to moisture and cleaning chemicals. Which principle applies?
Correct answer: A - Use equipment and wiring methods suitable for the environment
Before installing electric vehicle charging equipment, the electrician should verify:
Correct answer: A - Load requirements, equipment ratings, and installation requirements
Equipment installed in a hazardous location must be selected based primarily on:
Correct answer: A - The classification of the hazardous area and approved equipment requirements
The full bank has 1,020 more IA-JE questions with explanations.
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