1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
A wafer of pure germanium crystal has two parts X and Y. The end X is obtained by doping with arsenic and Y with indium. It is connected to a battery as shown in the figure. Which of the following statements is correct?
A
X is p-type, Y is n-type and the junction is forward biased
B
X is n-type, Y is p-type and the junction is forward biased
C
X is p-type, Y is n-type and the junction is reverse biased
D
X is n-type, Y is p-type and the junction is reverse biased
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
In which of the following figures, diode is reverse biased?
A
B
C
D
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
An n-type and p-type semiconductor can be obtained by respectively doping pure silicon with
A
Arsenic and Phosphorous respectively
B
Indium and Aluminium respectively
C
Phosphorous and Indium respectively
D
Aluminium and Boron respectively