The post AutoQuiz: How to Measure the Resistance in a Circuit first appeared on the ISA Interchange blog site.
This automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Click this link for more information about the CCST program.
a) 28.6 Ω
b) 35.0 Ω
c) 175 Ω
d) 0.28 M Ω
e) none of the above
The correct answer is A, 28.6 Ω. To find the total resistance for resistors in parallel, use the equation:
Reference: Goettsche, L.D. (Editor), Maintenance of Instruments and Systems, 2nd Edition
Source: ISA News