(10) A student is investigating the properties of a semiconducting This diagram shows the circuit she builds. variable power supply A Figure 10.16 a i ii TH safety resistor Sketch a graph to show how the current in the diode would va as the voltage across it is increased from 0 V to 1.0 V. The supply is now connected in the reverse direction and once more the potential difference across the diode is increased fro 0V to 1.0 V. Complete the I-V graph.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter19: Capacitors
Section: Chapter Questions
Problem 2PA: You are an electrician working in an industrial plant. You discover that the problem with a certain...
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(10) A student is investigating the properties of a semiconducting diode.
This diagram shows the circuit she builds.
variable power supply
A
+
V
safety resistor
C
b
Figure 10.16
ai
ii
Sketch a graph to show how the current in the diode would vary
as the voltage across it is increased from 0 V to 1.0 V.
The supply is now connected in the reverse direction and once
more the potential difference across the diode is increased from
0V to 1.0 V. Complete the I-V graph.
Suggest why the safety resistor is required.
When the potential difference across the safety resistor is 1.4V, the
current in it is 20mA. Calculate the resistance of the safety resistor.
Transcribed Image Text:(10) A student is investigating the properties of a semiconducting diode. This diagram shows the circuit she builds. variable power supply A + V safety resistor C b Figure 10.16 ai ii Sketch a graph to show how the current in the diode would vary as the voltage across it is increased from 0 V to 1.0 V. The supply is now connected in the reverse direction and once more the potential difference across the diode is increased from 0V to 1.0 V. Complete the I-V graph. Suggest why the safety resistor is required. When the potential difference across the safety resistor is 1.4V, the current in it is 20mA. Calculate the resistance of the safety resistor.
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