Answer / mohan choudhary

before ic 7805 C1 capacitor is used for redusing the
rippal in dc input supply wherever next C2 capactor is
uesd for filling the supply at the time of over loading on
ic 7805 .at THAT time C2 capacitor will feed the supply to
load and no any load will come on ic.7805.THATS OLL. C2
capacitor uesd only for protection of ic.7805.

Answer / amal

ya it is correct

Answer / sindu

yes we can use two diodes for that we have to use the full rectifier configuration using transformer.

it won't be an efficient way ...

its better to use a bridge rectifier instead of it.

Explain the working of a multiplexer.

0 Answers  

---

what's the cut in voltage for a led?

4 Answers   Infosys,

---

how a DPAD converts voltage to current?

0 Answers   Dr Reddys,

---

what is the diffrence between diode & thyrister. explain it

2 Answers  

---

why we use visible spectrum for FSO (free space optic),although it seems strange that when we have to communicate in urban areas then too much light will be in atmosphere for the sake of communication.

0 Answers  

---

no of timers of 8051

10 Answers   ONGC,

---

Ripple as referred to in a rectifier circuit.

0 Answers  

---

Calculator battery power goes down to 1V from 1.6V in 15 days... What could be the reason?

0 Answers   Hamilton,

---

What is the use of induction motor?

3 Answers   Micromax,

---

hiii,i am richa.. i want to know .. the criteria for appearung for BEL... how much percent i shuold have and is it will be for per semester or for a whole year

0 Answers   HCL,

---

what will be the effect on device when volotage is below than tht required nd why?

4 Answers  

---

State the differences between power amplifier and voltage amplifier.

0 Answers  

---