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 Flashcard: Transistors 40 Flashcards |
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What are the three terminals of a bipolar junction transistor (BJT)? |
Card: 1 / 40 |
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Emitter (E), Base (B), Collector (C) |
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Fill in the blanks: A bipolar junction transistor is made of ___ and ___ semiconductor materials. |
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P-type and N-type |
Card: 4 / 40 |
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True or False: The operation of a BJT depends solely on majority carriers. |
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False. The operation depends on both majority and minority carriers. |
Card: 6 / 40 |
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What is the primary function of a BJT in digital circuits? |
Card: 7 / 40 |
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Switching |
Card: 8 / 40 |
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In the active region, the relationship between collector current (Ic) and base current (IB) is given by ___ where β is the current gain. |
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Ic = β * IB |
Card: 10 / 40 |
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Riddle: I can switch on and off, and amplify signals with ease. What am I? |
Card: 11 / 40 |
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A bipolar junction transistor |
Card: 12 / 40 |
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What type of transistor has the arrangement of P-type material sandwiched between two N-type materials? |
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PNP transistor |
Card: 14 / 40 |
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Fill in the blank: In saturation, the BJT operates as a switch with collector current equal to ___ current. |
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I(saturation) |
Card: 16 / 40 |
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What occurs in the cut-off region of a BJT? |
Card: 17 / 40 |
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The transistor is 'fully-OFF' and IC = 0. |
Card: 18 / 40 |
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True or False: The direction of current flow in a BJT is always from the collector to the emitter. |
Card: 19 / 40 |
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False. It flows from the emitter to the collector. |
Card: 20 / 40 |
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Fill in the blank: The symbol of a BJT includes an arrow indicating the direction of ___ flow. |
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Conventional current |
Card: 22 / 40 |
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What is the main difference between NPN and PNP transistors? |
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The polarity of the power supply and their biasing. |
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How does a BJT act as a current-controlled switch? |
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It regulates the current flowing through it based on the biasing voltage applied to its base terminal. |
Card: 26 / 40 |
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Riddle: I am a small device that can amplify your voice or turn on a light. What am I? |
Card: 27 / 40 |
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A transistor |
Card: 28 / 40 |
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What are the two basic functions of a bipolar transistor? |
Card: 29 / 40 |
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Switching in digital electronics and amplification in analog electronics. |
Card: 30 / 40 |
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Fill in the blank: A BJT is analogous to a ___ triode. |
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Vacuum |
Card: 32 / 40 |
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In which regions can a bipolar transistor operate? |
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Active, Saturation, and Cut-off. |
Card: 34 / 40 |
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True or False: The construction of a BJT involves only one PN-junction. |
Card: 35 / 40 |
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False. It involves two PN-junctions. |
Card: 36 / 40 |
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What role does the base terminal play in a BJT? |
Card: 37 / 40 |
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It controls the current flowing between the emitter and collector. |
Card: 38 / 40 |
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Fill in the blank: The collector current in saturation is equal to the ___ current. |
Card: 39 / 40 |
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Saturation |
Card: 40 / 40 |
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Completed! Keep practicing to master all of them. |
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