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Electrical and Electronic Principles and Technology by John Bird

Author:John Bird [Bird, John] , Date: April 18, 2018 ,Views: 343

Electrical and Electronic Principles and Technology by John Bird

Author:John Bird [Bird, John]
Language: eng
Format: azw3, pdf
ISBN: 9781138673526
Publisher: Taylor and Francis
Published: 2017-03-31T04:00:00+00:00


The following values were obtained during an experiment on a varactor diode.

Plot a graph showing the variation of capacitance with voltage for the varactor. Label your axes clearly and use your graph to determine (a) the capacitance when the reverse voltage is −17.5 V, (b) the reverse voltage for a capacitance of 35 pF and (c) the change in capacitance when the voltage changes from −2.5 V to −22.5 V. (8)

Briefly describe, with diagrams, the action of an n–p–n transistor. (7)

The output characteristics of a common-emitter transistor amplifier are given below. Assume that the characteristics are linear between the values of collector voltage stated.



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