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A diode's voltage rises from 0.7 V to 0.8 V as its current goes from 10 mA to 20 mA. Its rd is:
A100 ohm
B1 ohm
C10 ohm
D0.1 ohm
Answer & Solution
Correct answer: C. 10 ohm
rd = 0.1 V / 10 mA = 0.1 / 0.01 = 10 ohm.
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