July 2012
Beginner
576 pages
9h 46m
English
Content preview from Complete Electronics Self-Teaching Guide with Projects
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Resistors in AC Circuits
9 Alternating current is passed through components, just as direct current is. Resistors interact with alternating current just as they do with direct current.
Question
Suppose an AC signal of 10 Vpp is connected across a 10-ohm resistor. What is the current through the resistor? _____
Answers
Use Ohm's law:
Because the voltage is given in pp, the current is a pp current.
10 An AC signal of 10 Vrms is connected across a 20-ohm resistor.
Question
Find the current. _____
Answer
Because the voltage was given in rms, the current is in rms.
11 You apply an AC signal of 10 Vpp to the voltage divider circuit, as shown in Figure 5.5.
Question
Find Vout. _____
Answer
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