In a linear regulator, the purpose of using the power transistor is to ( ).
A: Increase output voltage
B: Increase output current
A: Increase output voltage
B: Increase output current
B
举一反三
- Which of the following will result in an increase in productivity A: 10% decrease in both output and input B: 10% increase in output and 5% increase in input C: 5% increase in output and 10% increase in input D: 10% increase in both output and input
- The function of direct current regulated power supply is to input an alternating current power of 220volts, so that it can output __________.( ) A: alternating current 200 volts voltage B: direct current 24 volts voltage C: direct current 200 volts voltage D: alternating current 24 volts voltage
- In the short run, the impact of an increase in the money supply on the price level and real output will be: Price level Real output（） ①A. Increase Increase ②B. Increase No change ③C. No change Increase A: ① B: ② C: ③
- Ohm’s Law states that current equals voltage divided by resistance. Current increases with the increase in voltage. Current decreases with the increase in resistance.
- Which of the following will increase cardiac output? A: an increase in sympathetic impulses B: an increase in parasympathetic impulses C: a faster stream of impulses from the baroreceptors D: an increase in vasodilation
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The purpose of using chemicals and fertilizers is to increase the quality of foods.
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In order to increase our output, we need to import more production __________.
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The tpLH of output decreases when using a level restoring transistor for the pass-transistor logic. A: ) True B: ) False
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The transistor inside the switching regulator works in a linear state. A: Correct B: Wrong
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The no-load character of a 3-phase synchronous generator is the relationship between ( ). A: no-load emf Eo; exciting current If B: output<br/>voltage U; load current I C: output current I; exciting current If D: no-load<br/>emf Eo; load current I