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ECE · Q145

Electronic Devices And Circuits

Engineering and GATE · ECE · question 145

Q145

The doping concentration on the p-side and n-side of a silicon diode are 1 × 1016 cm-3, and 1 × 1017 cm-3 respectively. A forward bias of 0.3 V is applied to the diode. At T = 300 K, the intrinsic carrier concentration of silicon ni = 1.5 × 1010 cm-3 and kT q = 26mV. The electron concentration at the edge of the depletion region on the p-side is

The doping concentration on the p-side and n-side of a silicon diode are 1 × 1016 cm-3, and 1 × 1017 cm-3 respectively. A forward bias of 0.3 V is applied to the diode. At T = 300 K, the intrinsic carrier concentration of silicon ni = 1.5 × 1010 cm-3 and = 26mV. The electron concentration at the edge of the depletion region on the p-side is
A.
2.3 × 109 cm-3
Answer
B.
1 × 1016 cm-3
C.
1 × 1017 cm-3
D.
2.25 × 106 cm-3

Answer: Option A

Solution

Answer: Option A
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