why the input resistance of an op-amp is high whereas it's output resistance is low?

11 Answers   IBM,

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in optical fiber cabels, which type of losses can be occured, and how the signal-loss happens?

2 Answers  

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Define setup time?

0 Answers  

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We all know about DC concept,i.e +ve connected to +ve ,-ve connected to -ve. If landline phones lines are dc lines,then how it works even if the polarties are interchanged??

1 Answers   Infosys,

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What are laser diodes?

0 Answers  

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Hi, I am an Telceom engineer,I know about LSL,HSL links between various Network Elements. Can anyone explain me about F link in telceom. Regards, Sanchit Bhardwaj

0 Answers   HCL,

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Can you help me correct FM transmitter circuit?

0 Answers  

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write a program that changes 74H to 47H in 8085 assembly programming

0 Answers  

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How an ammeter can be changed to a voltmeter?

0 Answers  

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why do we conduct the campus interviews?

4 Answers   Infosys,

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. When a inductive coil connected to a 200 V, 50Hz ac supply with 10A current flowing through it dissipates 1000 watts then which of the following will have least value in ohms a.) Resistance b.) Reactance c.) Impedance d.) None

3 Answers   BSNL,

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What is current commutation?

0 Answers  

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