Answer / ehtesham ali khan

The problem in the TRF receiver are solved in this receiver.
it converts RF signals to a lower frequency IF signal.
The radio & Tv receivers works on th principle.

No variations in bandwidth.
high sensitivity and selectivity
high adjacent channel rejection.

what is the disadvantages of star connected alternator?

4 Answers  

---

can we start a 6.6kv ht motor with 415 lt supply

1 Answers  

---

how does PLCC work?...

1 Answers  

---

In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

0 Answers  

---

what is tpdt

4 Answers  

---

1. what type of winding of slip ring ac induction motor rotor and why. 2. how the heating element use in two phase (415 volt)and what rating of element, you prefered.

1 Answers   Simbhaoli Sugars,

---

what will happen if the frequency supplied is more than the frequency of the instrument...?

3 Answers  

---

what is FET

1 Answers  

---

Transformer diagram mention each parts ?

0 Answers  

---

HOW WOULD YOU PRESENT THE POWER FACTOR PRACTICALLY ON A GRAPH

4 Answers   Bhel,

---

What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

0 Answers   DAE,

---

why 3 phase motors are preferable over single phase motors ?

4 Answers  

---