if a PTC having operating voltage 230V is not available then Can we short the circuit where PTC inserted or anybody having other solution. if yes, please reply hurry.

0 Answers  

---

what is electronics?

10 Answers   Bhel,

---

Difference between mobile and a cell phone.

0 Answers  

---

i want aftek placement paper if any body have pls send me its urgent

0 Answers  

---

what is resister

6 Answers  

---

---

can u send me previous question papers of secction engineer (electronics),chennai rrb.

0 Answers   BPO,

---

What is D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? Explain an ideal voltage source? Explain zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain half-duplex and full-duplex communication? Which range of signals is used for terrestrial transmission? Why is there need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB? Explain ASCII, EBCDIC?

3 Answers   DRDO, Electronics,

---

HI FRANDS , ANY ONE SUGGEST ME THE INTERVIEW QUESTION OF NHPC

0 Answers  

---

What are the different types of power mosfet?

0 Answers  

---

What is capacitor?

0 Answers  

---

Explain what is the difference between plc and dcs?

0 Answers  

---

What is the difference between synchronous and asynchronous counters?

0 Answers  

---