Answer Posted / kamal

The low frequency signal will be attenuated it cant able to
travel long distance hence a high frequency is modulated
with it and transmitted

i want to know fire safety factory purpose .. does fire mauual call point requires hooter or mcp has inbuilt siren...???

2056

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Why are the 2 input terminals of an op-amp are called as inverting & non-inverting terminals?

1110

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if i get a job in bsc .what are the main key duties to handle

2076

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Derive the expressions for average output voltage and rms output voltage of 1φ semi converter?

1166

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Define what is a step-recovery diode and why is it so called ?

1201

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WHEN DO WE USE CAPACITOR AND INDUCTOR AS STORING DEVICE?

5599

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What are the function of different capacitor, resistors, transister, diods, thyrister( like SCR)in any circuit?

2247

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how we can calculate the range selection time in mobile communication? or channel searching time?

2346

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Explain the operating condition in scr.

1082

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For high frequency applications will you prefer mosfet or igbt? Why?

1195

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What is the frequency range of satellite communication?

1176

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Explain 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?

1152

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1. What is leakage current? 2. Transistor VI characters? Explain. 3. What is dc load line? 4. Differential amplifier circuit. 5. Recursive interrupts. 6. Diagram case microcontroller and Eprom 7. Use of grey code? 8. Design counter from 1 to 11. 9. Characteristic impedence?Z0 value of probe used in lab. 10. 3 input TTL logic. 11. What is Pseudo random sequence? Why it is called so? 12. What is stack? 13. Different types of voltage regulation?

2252

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how to know what resistance is required to stabilse the ckt performance

2079

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What is the main factor for controlling the thermal generation and recombination?

1295

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