Preview Questions Electronics Engineer | Role Specific Skill

Question 1: How can PCB designers reduce the risk of thermal cycling causing component damage on the board?

Which action should you take?

Choose only one option

By increasing the copper thickness

By placing components directly on the PCB surface

By using smaller components

By incorporating thermal reliefs and vias

Question 2: In a CMOS inverter design, what is the key factor that determines the switching speed?

Which action should you take?

Choose only one option

The channel length of the MOSFETs

The supply voltage and the resistance of the load

The capacitance of the transistors and load

The temperature of the operating environment

Question 3: How would you debug a memory leak in embedded firmware?

Which action should you take?

Choose only one option

Use print statements

Check pointer references manually

Use a static code analysis tool

Monitor memory usage at runtime

Question 4: What is the primary purpose of decoupling capacitors in a circuit?

Which action should you take?

Choose only one option

Protect against overcurrent

Reduce EMI

Stabilize voltage levels

Boost signal strength

Question 5: What is the most likely cause of an underperforming signal in an amplifier circuit?

Which action should you take?

Choose only one option

Too high of a supply voltage

Faulty power transistors

Insufficient gain in the amplifier stage

Incorrect feedback resistor values

Question 6: How do you determine the polarity of the voltage in a dependent source using the mesh current method?

Which action should you take?

Choose only one option

By analyzing KVL

By inspecting the voltage source

By analyzing KCL

Using the superposition principle