Describe the principle of step-up chopper. Derive an expression for the average output voltage in terms of input dc voltage & duty cycle?

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Explain the approximate cost of the following corrosion monitoring systems. Smart pebbles eci-1(embedded corrosion instrument) monitoring cables time domain reflectometry &corrosion penetration monitoring system(cpmp)?

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Explain what is an inverting amplifier?

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how is one able to tell the unlock code for the mobile phone using the imei

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What are the disadvantages of bjt?

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We are facing the problem of communication failure between seimens drives and ABB DCS. Between drives and DCS on RLM -01 module for communication purpose. We found red blinking i.e error blinking in RLM -o1 module. So we replaced with new one but after one month same problem again came. So again we installed old RLM-01 module. Now also RED blinking is coming but sometimes drives are not tripping. What will be the cause for this problem?

0 Answers   DSPM,

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what is the function of solid state relay (SSR)

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what are the types of handover?

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When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency?

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what is digital communication,digital electronics,flip flops,gates,buffer,memory and draw the diagram of flip flop,buffer,gates,memory?

0 Answers   HCL, TCS,

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What are the processes required to perform interfacing successfully?

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What is the gauss`s law?

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