1.

If the relative permittivity of a diode remains constant, its area is doubled and its doping concentration is quadrupled. What is its new diffusion capacitance, of originally it was CD?

A. 4C<sub>D</sub>
B. 2C<sub>D</sub>
C. 3C<sub>D</sub>
D. C<sub>D</sub>
Answer» B. 2C<sub>D</sub>


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