Semiconductor Electronics Quiz

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What were the basic building blocks of electronic circuits before the discovery of the transistor in 1948?

Transistors

Integrated circuits

Resistors and capacitors

Vacuum tubes (correct)

Which type of vacuum tube has three electrodes?

Tetrode

Triode (correct)

Pentode

Diode

Why is vacuum required in the inter-electrode space of a vacuum tube?

To decrease the voltage required for operation

To increase the speed of electrons

To prevent energy loss of moving electrons due to collision with air molecules (correct)

To reduce the size of the vacuum tube

In a vacuum tube, from where are the electrons supplied?

Heated cathode Signup and view all the answers

In which direction can the electrons flow in a vacuum tube?

From the cathode to the anode Signup and view all the answers

What is the function of the grid in a triode vacuum tube?

To control the flow of electrons from the cathode to the plate Signup and view all the answers

Why is vacuum required in the inter-electrode space of a vacuum tube?

To prevent the electrons from losing energy due to collisions with air molecules Signup and view all the answers

What is the main difference between a tetrode and a pentode vacuum tube?

The number of electrodes Signup and view all the answers

In which direction can the electrons flow in a vacuum diode?

From the cathode to the anode Signup and view all the answers

What supplies the electrons in a vacuum tube?

Heated cathode Signup and view all the answers

Semiconductor Electronics Quiz

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Questions and Answers

What were the basic building blocks of electronic circuits before the discovery of the transistor in 1948?

Which type of vacuum tube has three electrodes?

Why is vacuum required in the inter-electrode space of a vacuum tube?

In a vacuum tube, from where are the electrons supplied?

In which direction can the electrons flow in a vacuum tube?

What is the function of the grid in a triode vacuum tube?

Why is vacuum required in the inter-electrode space of a vacuum tube?

What is the main difference between a tetrode and a pentode vacuum tube?

In which direction can the electrons flow in a vacuum diode?

What supplies the electrons in a vacuum tube?

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