Free IEM Electronic Components & Troubleshooting Questions and Answers

Question 1

What is the main function of a resistor in an electronic circuit?

Accepted Answer

Limit current flow

Answer

Store electrical charge

Answer

Amplify signals

Answer

Convert AC to DC

Question 2

Which tool is commonly used to measure voltage in a circuit?

Accepted Answer

Multimeter

Answer

Oscilloscope

Answer

Soldering iron

Answer

Function generator

Question 3

What is the likely cause of a capacitor bulging or leaking?

Accepted Answer

Incorrect polarity or overvoltage

Answer

High-frequency operation

Answer

Low temperature environment

Answer

Exposure to light

Question 4

Which of the following is a sign of a faulty diode?

Accepted Answer

It reads low resistance in both directions

Answer

It emits a clicking noise

Answer

It stores high voltage

Answer

It produces AC signals

Question 5

What is the first step in safely troubleshooting an electronic circuit?

Accepted Answer

Power off and discharge capacitors

Answer

Measure all resistor values

Answer

Test diodes for continuity

Answer

Replace the PCB