Multiple Choice
A pn junction of germanium is connected through a resistor to a variable dc power supply as shown. Which of the following graphs best describes the current I in the circuit as the voltage V of the power supply is varied in the range of approximately -10 V to +10 V?
A) 1
B) 2
C) 3
D) 4
E) None of these is correct.
Correct Answer:

Verified
Correct Answer:
Verified
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