Answer / ashutosh

if any obstruction comes in between the IR led and IR
receiver than you can use this signal by connectig any
terminals to your comparater i.e. what you want a voltage
or zero output at the output

Answer / sri

proxmity sensor is nothing but landmine sensor,generally we
use metal detectors to find landmines,so many principles are
present one of those is,whenever u place metal close to
detector, because of the difference b/w coefficents of
detector and desired metal some flux will produce and that
allows to pass current through the circuit,and produce
output.if u connect buzzer to o/p then it will make sound
whenever u place metal in front of detector.

What will be voltage between earth - Phase & earth - neutral.

1 Answers   DSPM,

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i am an i.t.i holder in electronics i need those questions and their which have been asked in aircraft company for the post of technician

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what is de difference between 2g &3g &4g

1 Answers   TCS,

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what is the source of time varying electric feild?

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What are the types of commutation?

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WHAT IS FUNCTION OF BLUETOOTH AND EXPLAIN IT BRIEFLY?

8 Answers   Infosys,

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State assumptions made for analyzing ideal op-amp.

0 Answers  

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What is 1:1 mixture in manganese ferrites?

0 Answers   C DAC, CDAC,

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why the crystal frequency of 8051 is divide by 12 for its working?

4 Answers  

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What are the different types of filters?

25 Answers  

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Hi.. Me going to tke test for management trainee(technical) Post I am an E&C student . Can u guide how to prepare for this test.Can u send me test paper pattern..?

0 Answers   Vizag Steel,

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can u plz mail me bel qpapers.

0 Answers   BEL,

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