It is said that buffer is used when any circuit has to drive large outputs. why is buffer used?

1 Answers  

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Which semiconductor device is used as a voltage regulator and why?

11 Answers   Hexaware, Kirloskar, Syntel,

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What are the advantages of ac voltage controllers?

0 Answers  

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i want to question papers of section engineer post (rrb).please sent my mail id .my id is boobalaraja@ gmail.com

0 Answers   RRB,

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What is motherboard in pc? And why it is called motherboard.

0 Answers   CPU,

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What are the disadvantages of pwm control?

0 Answers  

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What is meant by radix (or base) of a number system?

0 Answers  

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Describe transducer ei pickups in instrumentation and control engineering?

0 Answers  

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how we can calculate antenna dimension for any em wave??

3 Answers  

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4 stage ripple counter with delay(f/f) 10msec. How much time it takes for a state to change

1 Answers   Verifone,

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What are the charge carriers in p-type and n-type semiconductors?

0 Answers  

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in case of a bipolar junction transistor we are concerned with Vbe,,,Vce(in order to stabilise optiamally)but why don't we bother about Vbc?? why ?

3 Answers  

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