8. a vacuum tube can be used to
a. change alternating current into direct current
<...
Physics, 25.01.2020 19:31 tysisson9612
8. a vacuum tube can be used to
a. change alternating current into direct current
b. increase the strength of a signal
c. turn a current on or off
d. all of the above
9. a solid-state component with three layers of semiconductors is a
a. transistor
b. diode
c. vacuum tube
d. resistor
10. what is the primary use of transistors in a mobile phone?
a. store electric charge
b. maintain proper voltage
c. store data
d. amplify the phone's incoming signal
Answers: 3
Physics, 22.06.2019 10:50
Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k
Answers: 1
Physics, 23.06.2019 01:30
Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class
Answers: 3
Physics, 23.06.2019 03:20
2. which of the following does not affect the electrical resistance of a body? a. material composing the body b. bodies directly surrounding the body c. length of the body > d. temperature of the body
Answers: 2
Physics, 23.06.2019 09:00
A10 kg shark swimming at 5m/s swallows an absent-minded 0.5 kg fish that is originally at rest. what is the speed of the large fish after eating the smaller fish?
Answers: 1
Mathematics, 18.09.2019 18:30
Social Studies, 18.09.2019 18:30
Social Studies, 18.09.2019 18:30
Mathematics, 18.09.2019 18:30
History, 18.09.2019 18:30
Mathematics, 18.09.2019 18:30
English, 18.09.2019 18:30
English, 18.09.2019 18:30
History, 18.09.2019 18:30