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Chapter 4: Problem 2

In a pnp transistor, the \(p\) regions are (a) base and emitter (b) base and collector (c) emitter and collector

Short Answer

Expert verified
In a pnp transistor, the p-type regions are the base and emitter. Hence, the correct answer is (a) base and emitter.

Step by step solution

01

Understanding pnp transistor structure

A pnp transistor is a type of bipolar junction transistor (BJT) and consists of three layers of semiconductor material - one n-type and two p-type layers. The two p-type layers are separated by an n-type layer in the middle, giving us the name "pnp." The three regions formed by these layers are base (B), collector (C), and emitter (E).
02

Identifying p-type regions in pnp transistor

In a pnp transistor, we have two p-type regions and one n-type region. These regions are base, collector, and emitter. Since we are looking for p-type regions, we know that the base and either the collector or the emitter are p-type regions.
03

Choose the correct option

Now that we have identified the p-type regions in a pnp transistor, let's look at the given options: (a) base and emitter (b) base and collector (c) emitter and collector We have identified the p-type regions as base and either collector or emitter in Step 2. Comparing with the given options, we can conclude that the correct option is (a) base and emitter.

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Most popular questions from this chapter

If the base-emitter junction is open, the collector voltage is (a) \(V_{C E}\) (b) \(0 \mathrm{~V}\) (c) flowing (d) \(02 \mathrm{~V}\)

A transistor amplifier has a voltage gain of 50 . What is the output voltage when the input voltage is \(100 \mathrm{mV}\) ?

Once in saturation, a further increase in base current will (a) cause the collector current to increase (b) not affect the collector current (c) cause the collector current to decrease (d) tum the transistor off

In an our-if-circuit test of a good \(n p n\) transistor, what should an analog ohmmeter indicate when its positive probe is touching the emitter and the negative probe is touching the base? When is positive probe is touching the base and the negative probe is touching the collector?

The three terminals of a bipolar junction transistor are called (a) \(p, n, p\) (b) \(R, p, n\) (c) input output ground (d) base, emitter, collector
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