Flashcards on Semiconductor Devices

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What is a semiconductor device?

A semiconductor device is an electronic component made of semiconductor materials, such as silicon or germanium, that can control the flow of electric current.

What is the most common type of semiconductor device?

The most common type of semiconductor device is the diode.

What is the function of a diode?

A diode allows electric current to flow in one direction and blocks it in the opposite direction.

What is a transistor?

A transistor is a semiconductor device that can amplify or switch electronic signals and electrical power.

What are the three regions in a transistor?

The three regions in a transistor are the emitter, base, and collector.

What is the function of a resistor?

A resistor restricts the flow of electric current and is used to control voltage and current levels in a circuit.

What is a capacitor?

A capacitor is a semiconductor device that stores and releases electrical energy. It consists of two conductive plates separated by an insulating material.

What is an integrated circuit (IC)?

An integrated circuit (IC) is a semiconductor device that contains thousands or millions of electronic components, such as transistors, resistors, and capacitors, on a single chip of semiconductor material.

What is the purpose of a light-emitting diode (LED)?

A light-emitting diode (LED) emits light when an electric current passes through it. It is commonly used in various applications, including lighting and displays.

What is the function of a photovoltaic cell (solar cell)?

A photovoltaic cell, or solar cell, converts sunlight directly into electricity using the photovoltaic effect.

What is a rectifier?

A rectifier is a semiconductor device that converts alternating current (AC) into direct current (DC).

What is a thyristor?

A thyristor is a semiconductor device that can control large amounts of electrical power and is commonly used in power switching applications.

What is the function of a voltage regulator?

A voltage regulator is a semiconductor device that maintains a constant output voltage regardless of changes in input voltage or load current.

What is a varistor?

A varistor is a semiconductor device that protects electronic circuits from excessive voltage by rapidly changing its resistance in response to voltage fluctuations.

What is the purpose of a thermistor?

A thermistor is a semiconductor device whose resistance varies with temperature. It is commonly used for temperature sensing and temperature compensation.

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Test Your Knowledge


Which of the following is the most common type of semiconductor device?



What is the function of a rectifier?



What is the purpose of a voltage regulator?



Which semiconductor device converts sunlight into electricity?



Which region in a transistor controls the current flow?



What is the function of a varistor?



Which semiconductor device is used for temperature sensing?



What is the function of a capacitor?



Which semiconductor device is commonly used in power switching applications?



What is the purpose of a resistor?




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