Diagnostic Test For Electrician License Examination Preparation
Parallel Circuits
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 voltage to each component in a parallel circuit where the total current is 4 amps and the total power is 1420 watts?
Question #2
What is the expected current total when four 40 ohm resistors are connected in parallel to a 240 volt source?
Question #3
What is the resistance total in a parallel circuit with the following six resistors: 60 ohms, 80 ohms, 100 ohms, 120 ohms, 140 ohms, and 160 ohms?
Question #4
What is the hot resistance of a 40 ohm resistor if wired in parallel to a 30 ohm resistor connected to a 120 volt source?
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.