Preview Questions Electronics Engineer | Role Specific Skill

Question 1: When analyzing an operational amplifier (op-amp) circuit, what determines its output voltage when configured as a non-inverting amplifier?

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The gain-bandwidth product of the op-amp

The output impedance of the op-amp

The input voltage and the feedback resistor ratio

The power supply voltage to the op-amp

Question 2: What is the typical method to interface an ADC (Analog-to-Digital Converter) with a microcontroller in embedded systems?

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Use the SPI protocol to transmit data

Configure the ADC channel and clock settings

Use PWM signals to provide data

Directly read the output voltage of the ADC pin

Question 3: What is the primary advantage of using a four-layer PCB instead of a two-layer PCB in high-speed designs?

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Increased trace length

Improved thermal management

Reduced manufacturing cost

Better power distribution

Question 4: What is the Th?venin equivalent voltage in a circuit?

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The voltage across the load

The short-circuit current of the network

The total voltage of the power supply

The open-circuit voltage of the network

Question 5: When designing an active filter, what is the function of a feedback network?

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To reduce power dissipation in the circuit

To stabilize the filter's output voltage

To set the filter's cutoff frequency

To prevent distortion and clipping

Question 6: In an AC circuit, what is the role of the impedance in the power factor calculation?

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It determines the maximum current that can flow

It acts as a voltage divider to reduce current flow

It determines the phase difference between voltage and current

It has no impact on the power factor