Answer Posted / ramachandrarao

12mhz

Name the equipments required for 2+2+2.

1987

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How output frequency is varied in case of a thyristor?

1226

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What is the effect of temperature on the reverse current of a p-n junction?

1028

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sir i want polytechnic lecturers model papers plzzzzzzzzz send me my mail id: manisri.bobbala@gmail.com

2683

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Tell me is there any junction in conductor?

1091

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Explain how to calculate the rectangle of conductor of different sizes?

1156

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Define pulse width modulation?

1094

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What is band gap theory?

1230

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Pls send me the papers for Section engineer exam for railways.Its on 9th oct-08.Its urgent.My id is abhay_jg@yahoo.com

2323

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What do you understand by leds? How do they work?

1058

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what is firing angle of phase controlled rectifier?

1145

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Power bjt is a current controlled device. Why?

1224

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Explain capacitance, inductance, resistance.

1167

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4 Stage ripple counter with delay(f/f) 10msec. How much time it takes for a state to change. 4*10=40.

1107

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Define virtual ground in the op amp?

1083

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