Which device produces voltage variable capacitor?

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what is standared for leakage voltage(not current)in electronics industries who are manufacturare of vcd, dvd and controll cards.

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What are different categories of antenna and give an example of each?

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What is Ciphering? Why do we need it? Name the algorithm(s) used in it?

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What is an amplifier?

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aoa, i have applied in FFC pakistan. i want to know the technical written test questions of FFC. can anybody plz help me

5 Answers   FFC,

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what is the difference between controller in mobile and processor in pc?

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What is zigbee?

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Sir,I have two years year gapping after the completetion of my 10+2.Then i had studied 1 year chemistry(hons)and had sat for part1 chemistry(Hons) exam..I got 60% in Hons also.I had sat Hons and Enginering Joint entrance exam together in the same year of 2008..But i got better opportunity and I switched to ECE..Sir,may i eligible to sit exams and interviews for any IT company,software technologies,consultancy company,electronics core company..??..thanks...

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what is OpenBTS?

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What is distortion of power amplifier? The amplifier whose distortion is 0.02% and the one whose distortion is 0.01%, Which one is better?

3 Answers   Bharti,

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What is meant by phase controlled rectifier?

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