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| Q.53 | Consider the following statements about N-type semiconductor and select the most appropriate option. a. N-type semiconductor is obtained by adding trivalent as impurity. | |
| Ans | 1. Only b is true | |
| 2. Both a and b are not true | ||
| 3. Both a and b are true | ||
| 4. Only a is true |
Correct Ans Provided: 2
