Sedemac Mechatronics Electronic Technician Interview Questions, Process, and Tips

PCB stands for Printed Circuit Board, it is a board made of non-conductive material on which electronic components are mounted and connected.

• PCB provides mechanical support to electronic components

• PCB provides electrical connections between components

• PCB helps in reducing the size of electronic devices

• Components on PCB include resistors, capacitors, diodes, transistors, etc.

A resistor is an electronic component that resists the flow of electrical current.

• Resistors are used to control the amount of current flowing in a circuit

• They are measured in ohms (Ω)

• Resistors can be fixed or variable, with variable resistors allowing for adjustable resistance

• Examples of resistors include carbon film resistors, metal film resistors, and wirewound resistors

Capacitors store and release electrical energy in a circuit.

• Capacitors store energy in an electric field

• They can release this stored energy when needed

• Capacitors are commonly used in filters, timing circuits, and power conditioning

• Examples include smoothing out voltage fluctuations in power supplies

An inductor is a passive electronic component that stores energy in a magnetic field when current flows through it.

• Inductors resist changes in current flow

• They are commonly used in filters, oscillators, transformers, and power supplies

• Inductors are measured in Henry (H)

• They have the ability to store energy in the form of a magnetic field

Capacitor polarity refers to the orientation of the positive and negative terminals on a capacitor.

• Capacitors have a positive and negative terminal, with the positive terminal typically marked with a plus sign (+) or a longer lead

• It is important to observe the polarity when connecting capacitors in a circuit to prevent damage or malfunction

• Electrolytic capacitors are polarized, meaning they have a specific positive and...read more