Sertel Electronics Electronic Technician Interview Questions and Answers

Basic multiple choice questions

Q1. What is Resistor working?
Ans. 
A resistor is an electronic component that limits the flow of electric current in a circuit.
• Resistors are used to control the amount of current flowing through a circuit.

• They are typically made of materials with high resistance, such as carbon or metal alloys.

• Resistors are measured in ohms (Ω) and their value determines the amount of resistance they provide.

• They can be connected in series or parallel to achieve differe...read more
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Q2. What is Transistor principle?
Ans. 
Transistor principle is the ability of a small current to control a larger current in a circuit.
• Transistor is a three-layer semiconductor device.

• It works as an amplifier or a switch.

• The principle is based on the ability of a small current to control a larger current.

• The three layers are called emitter, base, and collector.

• The base current controls the flow of current between emitter and collector.

• Transistors are widely...read more
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