MCQOPTIONS
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| 1. |
In a CE amplifier the input impedance is equal to the ratio of |
| A. | ac base voltage to ac base current |
| B. | ac base voltage to ac emitter current |
| C. | ac emitter voltage to ac collector current |
| D. | ac collector voltage to ac collector current |
| Answer» B. ac base voltage to ac emitter current | |