| 41. |
Which is the most widely used semiconductor? |
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| 42. |
The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? |
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| 43. |
An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? |
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| 44. |
An audio transformer has a turn ratio of 9, What is its impedance ratio? |
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| 45. |
How many protons does the nucleus of a silicon atom contain? |
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