Diagnostic Test For Electrician License Examination Preparation
Ohms Watts for DC Circuits (and AC resistive)
Time Limit for This Page: 24 minutes
References Permitted: National Electrical CodeŽ, American Electrician's Handbook
Appropriate for Journeyman Electrician, Master Electrician and Electrical Inspector Exams.
Question #1
What is the hot resistance of a load when connected to a 24 volt direct current source if it draws 2.4 amps?
Question #2
What is the voltage of a direct current circuit if the resistance is calculated to be 96 ohms when energized and the power is 150 watts?
Question #3
What is the current expected to be drawn on a 240 volt single phase AC resistive circuit by a 3200 watt load?
Question #4
What is the wattage of an AC resistive load if the voltage supplied to it is 240 volts and it has a resistance of 144 ohms?
Upon completion, use any remaining time to make sure you have the right answers. When time has expired, go to the answer page to check your answers with the given answers.
Click HERE for ANSWERS TO DIAGNOSTIC TESTS.
If you did not score three correct in the time allowed, then you might want to consider exam preparation with the help of the David U. Larson workbook:
Click HERE for INFO ABOUT Calculations Workbooks for Electrician License Examinations.