Digital Electronics CP:1131 BCA Semester 1 Module 1 Quiz

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Questions and Answers

What is a diode?

A two-terminal electronic component that only conducts current in one direction.

What is the ideal resistance of an ideal diode?

Zero resistance in one direction, and infinite resistance in the reverse direction.

What is the most common type of diode?

Semiconductor diodes.

How is the anode and cathode of a practical diode represented?

<p>The anode is represented with A, and the cathode is represented with K.</p> Signup and view all the answers

What are semiconductors?

<p>Materials with conductivity between conductors and non-conductors or insulators.</p> Signup and view all the answers

What is an extrinsic semiconductor?

<p>An extrinsic semiconductor is one that is doped with a specific impurity in order to improve the conducting properties.</p> Signup and view all the answers

What is the difference between a p-type and n-type semiconductor?

<p>In a p-type semiconductor, trivalent impurity from the III group elements is added, while in an n-type semiconductor, pentavalent impurity from the V group is added.</p> Signup and view all the answers

What are the majority carriers in a p-type semiconductor?

<p>The majority carriers in a p-type semiconductor are holes.</p> Signup and view all the answers

What happens when a P-type and an N-type material are brought close to each other?

<p>Both of them join to form a junction.</p> Signup and view all the answers

What is the potential difference across the junction called?

<p>The potential difference across the junction is called the Potential Barrier.</p> Signup and view all the answers

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