What is the input impedence of an OPAMP as an ideal device.



What is the input impedence of an OPAMP as an ideal device...

Answer / rampal,barc,mumbai.

It should be Infinite an ideal device.

Is This Answer Correct ?    1 Yes 0 No

Post New Answer

More Instrumentation Interview Questions

Control valve Flow characteristic. How the equal percentege curve form?

5 Answers  


what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it.

0 Answers   Sabic, Saudi Aramco Shell Refinery Company SASREF,


With N nodes and B branches what will have a network ???

0 Answers   BSNL,


In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.

0 Answers   India Cements,


can i get model question papers of mahagenco exam?

11 Answers   MahaGenco, MSGEN,






How to convert 4 wire level transmitter connection to 2 wire.

2 Answers  


How to adjust the zero & span of a control valve from the posiitioner(MIL)?

1 Answers   Bhel, SMC,


What is profibus?

0 Answers  


Specify for Cables - Flame Retardant and Fire Resistant?

0 Answers  


PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear

0 Answers   MSL, SRAAC,


how many parts of valve positioner?

1 Answers   Kentz,


What is glanding

1 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)