MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the gain of the transformer in high-frequency region? |
| A. | [N<sub>2</sub>/N<sub>1</sub>] [R<sub>L</sub> ‘/(R+R<sub>L</sub>’)]. |
| B. | [N<sub>2</sub>/N<sub>1</sub>] [R<sub>L</sub> ‘/(R+R<sub>L</sub>’+jωL)]. |
| C. | A<sub>H</sub>=A<sub>0</sub>/ [1+(ω/ ωH)<sup>2</sup>]. |
| D. | A<sub>L</sub>=A<sub>0</sub>/ [1+(ω/ ωL)<sup>2</sup>]<sup>1/2</sup> |
| Answer» C. A<sub>H</sub>=A<sub>0</sub>/ [1+(‚âà√¨‚àö¬¢/ ‚âà√¨‚àö¬¢H)<sup>2</sup>]. | |