⭐

E6A - Circuit Components

Extra Class

Semiconductor materials and devices: N-type, P-type, junction diodes

10 questions | Updated: Dec 9, 2025

All E0A E1A E1B E1C E1D E1E E1F E2A E2B E2C E2D E2E E3A E3B E3C E4A E4B E4C E4D E4E E5A E5B E5C E5D E6A E6B E6C E6D E6E E6F E7A E7B E7C E7D E7E E7F E7G E7H E8A E8B E8C E8D E9A E9B E9C E9D E9E E9F E9G E9H
E6A01

In what application is gallium arsenide used as a semiconductor material?
E6A02

Which of the following semiconductor materials contains excess free electrons?
E6A03

Why does a PN-junction diode not conduct current when reverse biased?
E6A04

What is the name given to an impurity atom that adds holes to a semiconductor crystal structure?
E6A05

How does DC input impedance at the gate of a field-effect transistor (FET) compare with that of a bipolar transistor?
E6A06

What is the beta of a bipolar junction transistor?
E6A07

Which of the following indicates that a silicon NPN junction transistor is biased on?
E6A08

What is the term for the frequency at which the grounded-base current gain of a bipolar junction transistor has decreased to 0.7 of the gain obtainable at 1 kHz?
E6A09

What is a depletion-mode field-effect transistor (FET)?
E6A12

What is the purpose of connecting Zener diodes between a MOSFET gate and its source or drain?