| LIST I | LIST II | ||
|---|---|---|---|
| A. | Intrinsic semiconductor | I. Used as a rectifier circuit | |
| B. | N-Type Semiconductor | II. Pure form of Semiconductor | |
| C. | P-Type Semiconductor | III. Doping of pentavalent impurity in semiconductor | |
| D. | P-N Junction diode | IV. Doping of trivalent impurity in semiconductor |