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Practical Electronics for Inventors, Third Edition by Paul Scherz

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Example 2: A 47-μF capacitor is charged by the voltage sources having the following waveform. Determine the charging current. Refer to Fig. 2.100. Assume that the voltage source is ideal and has no resistance.
image
FIGURE 2.100
Answer: Since dV/dt represents the slope of the waveform, it is simply 10 V/10 ms, and the current becomes:
image
Example 3: If the voltage across a 100-μF capacitor is 5 V et, what is the capacitor current?
Answer:
image
(Remember, these ...

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