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Explain the difference between power amplifier and voltage amplifier?

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Power bjt is a current controlled device. Why?

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Define timer.

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describe the functioning of parallel adder ? what are the adventages of parallel adder over series adder?

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What is power electronics?

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Describe the working of 3φ fully controlled bridge converter in the rectifying mode and inversion mode. And derive the expressions for average output voltage and rms output voltage?

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What is the difference between 8087 and 8086

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How Timer Interrupt program Executed?

1 Answers   TCS,

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When a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?

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#include int main() { char c='1'; int j=atoi(c); }

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What are the different methods of firing circuits for line commutated converter?

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