When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

15 Answers   Bhel, Sail, Sterling Telecom, TCS,

---

what is NGR in generator?

4 Answers  

---

Can the efficiency of transformer be measured with the help of wattmeter readings taken at primary and secondary side? Support the answer.

2 Answers  

---

What is the use of bundle conductors?

0 Answers  

---

can we use inductor in case of d.c.,if yes then what will happen in circuit

3 Answers   JSW,

---

What is the Difference Between MCCB & ACB & VCB

4 Answers   ABB,

---

hi pot test principal

1 Answers   NTPC,

---

why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

0 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

---

How do you reverse the direction of rotation of a FAN?

13 Answers   CPCL, IOCL,

---

If we have two nodes A and B and Vab is the potential difference between these nodes then which node is called reference node a.node A b.node B c. Ground node

1 Answers  

---

what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

0 Answers   ONGC,

---

I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain

0 Answers  

---