7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is

2 Answers  

---

How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva

0 Answers  

---

What is the result of under frequency to the system.

4 Answers  

---

Why back emf used for a dc motor? Highlight its significance.

0 Answers  

---

lenz law application and define

0 Answers  

---

Explain role of Buckolz Relay in Transformer ?

7 Answers  

---

wheather the size of windings in motor and generator are the same

0 Answers  

---

What is battery Limit ?

4 Answers   NDDB,

---

how to get 48 V DC I have ... 1. 12 volt power supply board 2. DC power supply ( max. 30 v) 3. 9 volt batteries ( 2 - not chargeble)

2 Answers  

---

Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

0 Answers  

---

how to flameproof electrical motor on the shaft?

0 Answers  

---

if a bird sits on the service wire it didn't get shock then why the human get shock when he touches it(assume that human is not on the ground and any object i.e. in space)?

5 Answers  

---