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The primary reason that NPN transistors are used more often than PNP transistors is that they usually operate faster (at higher frequencies) because the mobility of the current carriers in NPN transistors (electrons) is much higher than that of the current carriers in PNP transistors (holes).
Wiki User
∙ 8y ago
Wiki User
∙ 10y agotransistors are used commonly for switches and amplifiers
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Are transistors very large compared to the other valves used in apple macs?
Apple Macs don't use valves (computers haven't used valves since around 1955). However, transistors are very much smaller than valves (by several orders of magnitude), are much more reliable, are cheaper to mass produce and offer much greater efficiency.
Why do transistors sometimes need heatsinks?
These types of transistors are power transistors and generate heat. The heat sink is used to dissipate the heat. If the transistor gets too hot it will fail.
Which matierial is mostly used for making transistors?
ioran
Where is the transistors?
They are used in just about all types of electronic equipment.
Why silicon is used in scr?
For the same reason it is used in transistors and ICs: its a very good semiconductor. Note: equivalent devices have been made with germanium in the past, when most transistors were germanium. But they called them thyristors not GCRs.
Why were the vacuum tubes used instead of transistors in early computers?
Early transistors were much slower and far more expensive than vacuum tubes. Also computers built before 1948 there were no transistors to use at all.
What elements are used in transistors?
Silicon and germanium are the elements used in transistors
Why the front indicator light on right side of Rover 75 off more often than on?
Because it is more often not used than it is used
What are power transistors?
Power transistors are transistors that are used in high-power amplifiers and power supplies.
What are transistors used in?
Transistors are used in any electrical somponent including amplifiers, remote controls etc.
What element are in transistors?
Silicon and germanium are the elements used in transistors
What elements in in transistors?
Silicon and germanium are the elements used in transistors
Why transistors are not used for switching devices?
Transistors are used for switching devices! What gave you the idea they aren't?
Is the tip of a human hair or a transistor smaller?
Transistors are made that are smaller than a human hair. Used as part of an integrated circuit chip, which may contain thousands of transistors.
Which is smaller the tip of a human hair or a transistor?
Transistors are made that are smaller than a human hair. Used as part of an integrated circuit chip, which may contain thousands of transistors.
What belongs to you but is used by your friends more often than you do?
Name
Why is a sample used more often than a population?
because it is simpler and more accurate
