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
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