Electrical & Electronic Manufacturing interview questions

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“Do you know the general epi layer structure of a LED wafer consist of”

“Given a dc signal how would you make a 30ps pulse? you have a 30ps inverter available.”

“Arcing is bad for an electrical system, to deal with it we need to characterize it first. How would you measure the Electrical Characteristics of an Arc?”

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“If a glass of water is half full and you put ice in it, when ice melts, the water level will increase of decrease or remain constant? Give scientific reason.”

“You have someone speaking in a microphone. How would you record someone's voice? If there was noise, where would you cancel it out on the signal(beginning or end of the wire)? How would a longer wire...”

“What are the 4 Ps of sales and marketing?”

“Draw the timing diagram for an RTOS program that has multiple tasks, interrupts, and operates based on time slicing.”

“How can you increase the switching speed of a diode that has already been doped, without changing the geometrical layout of the diode?”

“what is the o/p of a LPF followed by a HPF”

“Difference between turbo and cryo vacuum pump?”

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