1. The first working transistor was a point-contact transistor invented by_ A Lee de Forest B John Bardeen Walter Brattain William Shockley 2. A voltmeter will only display the voltage before its two leads. A. true b. False 3. All voltages in amplifier circuits are referenced to a common ground point, usually connected to on terminal of the power supply. A polarity B voltmeter stability power supply D

1. The first working transistor was a point-contact transistor invented by_ A Lee de Forest B John Bardeen Walter Brattain William Shockley 2. A voltmeter will only display the voltage before its two leads. A. true b. False 3. All voltages in amplifier circuits are referenced to a common ground point, usually connected to on terminal of the power supply. A polarity B voltmeter stability power supply D

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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1-The output voltage of an emitter follower is a-In phase with Vin . b-Much greater than Vin. c-180° out of phase. d-Generally much less than Vin • 2-The ac emitter resistance of an emitter follower a-Equal the de emitter resistance. b-Is larger than the load resistance. c-Is B times smaller than the load resistance. d-Is usually less than the load resistance. 3-A common-base amplifier can be used when a-Matching low to high impedance. b-A voltage gain without a current gain is required. c-A high- frequency amplifier is needed. d-All of the above. 4-If the voltage generator is 5 mV in an emitter follower, the output voltage across the load is closest to a-5 mV. b-150mV. c-0.25 mV. d-0.5 mV.