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Test: The P-N Junction


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10 Questions MCQ Test Power Electronics | Test: The P-N Junction

Test: The P-N Junction for Electrical Engineering (EE) 2023 is part of Power Electronics preparation. The Test: The P-N Junction questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: The P-N Junction MCQs are made for Electrical Engineering (EE) 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: The P-N Junction below.
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Test: The P-N Junction - Question 1

The p-region has a greater concentration of __________ as compared to the n-region in a P-N junction.

Detailed Solution for Test: The P-N Junction - Question 1

 Holes are the majority charge carriers in p-type material.

Test: The P-N Junction - Question 2

A p-type semiconductor material is doped with ____________ impurities whereas a n-type semiconductor material is doped with __________ impurities

Detailed Solution for Test: The P-N Junction - Question 2

Donor impurities denote an electron to the n-type material making it a electron majority carrier & vice-versa.

Test: The P-N Junction - Question 3

In the p & n regions of the p-n junction the _________ & the ___________ are the majority charge carriers respectively.

Detailed Solution for Test: The P-N Junction - Question 3

 Holes are the majority charge carriers in p-type material & vice-versa.

Test: The P-N Junction - Question 4

The n-region has a greater concentration of _________ as compared to the p-region in a P-N junction diode.

Detailed Solution for Test: The P-N Junction - Question 4

Electrons are the majority charge carriers in n-type material.

Test: The P-N Junction - Question 5

 Which of the below mentioned statements is false regarding a p-n junction diode?

Detailed Solution for Test: The P-N Junction - Question 5

Diode is a two terminal device, anode & cathode are the two terminals.

Test: The P-N Junction - Question 6

 In the p & n regions of the p-n junction the _________ & the ___________ are the minority charge carriers respectively.

Detailed Solution for Test: The P-N Junction - Question 6

Holes are the minority charge carriers in n-type material & vice-versa.

Test: The P-N Junction - Question 7

A Schottky diode has __________

Test: The P-N Junction - Question 8

When a physical contact between a p-region & n-region is established which of the following is most likely to take place?

Detailed Solution for Test: The P-N Junction - Question 8

When p & n region come together diffusion takes places & a depletion region is established with opposite charges on both the sides of the junction.

Test: The P-N Junction - Question 9

Which of the following is true in case of an unbiased p-n junction diode?

Detailed Solution for Test: The P-N Junction - Question 9

A potential difference is established across the junctions due to recombination of holes & electrons. This growing field (barrier potential) stops the further diffusion.

Test: The P-N Junction - Question 10

 Which of the following is true in case of a forward biased p-n junction diode?

Detailed Solution for Test: The P-N Junction - Question 10

The diode is forward biased, positive is connected to p & vice-versa, as such batter provides EMF to drive electrons from n-region to p-region.

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