an electric bulb is connected on a holder. one end of the wire
is connected to the phase and the remaining one connected to
earth instead of neutral. the bulb will glow or not? if yes
then what is the need of neutral?

Answers were Sorted based on User's Feedback



an electric bulb is connected on a holder. one end of the wire is connected to the phase and the r..

Answer / m satish kumar

Yes the bulu will glow, if the earth is pakka.
The neutral is earthed at each distribution transformers,
form this point only neutral is taken.

Is This Answer Correct ?    5 Yes 1 No

an electric bulb is connected on a holder. one end of the wire is connected to the phase and the r..

Answer / nagendra

Generally all the distribution transformers have Primary
DELTA and Secondary STAR connection. The neutral of the
STAR is grounded. So the bulb will glow if connect accross
PHASE and NEUTRAL or PHASE and GROUND.

Is This Answer Correct ?    4 Yes 0 No

an electric bulb is connected on a holder. one end of the wire is connected to the phase and the r..

Answer / balakrishnan

Yes,but the illumination will be less.The lamp can't draw required power when connecting to earth instead of nuetral.

Is This Answer Correct ?    4 Yes 0 No

an electric bulb is connected on a holder. one end of the wire is connected to the phase and the r..

Answer / n.srinivas

yes the bulp will be glow & neutral is return path of
circuit it is originated from transformar star point

Is This Answer Correct ?    3 Yes 0 No

an electric bulb is connected on a holder. one end of the wire is connected to the phase and the r..

Answer / deepak

The need of Neutral: It gives assurance of reliable
centralised earthing as your home may or may not have
reliable earthing.

Is This Answer Correct ?    2 Yes 0 No

an electric bulb is connected on a holder. one end of the wire is connected to the phase and the r..

Answer / phani.mukku

it will glow becoz,the other end either neutral or earth wire is grounded for zero potential.the ground is nothing but the second neutral for the human from shock whenever there is an leakage connection.

Is This Answer Correct ?    1 Yes 0 No

an electric bulb is connected on a holder. one end of the wire is connected to the phase and the r..

Answer / jkth

then wat is the need of neutral?
we can connect the secondary of transformer as delta

Is This Answer Correct ?    2 Yes 3 No

Post New Answer

More Electrical Engineering Interview Questions

If there is volagte between earth and neutral, what should be the reason ? and solution * What should be allowable limit in case, if the voltage between earth and neutral exist ? / OR what is limit for safe voltage between earth and neutral?

3 Answers  


using in R,Y& B PHASE LTSIDE(415V)ct ratio 4000/5 WITH ENERGYMETR OF 1280 REV./KWH,240V.WHAT WILL BE MF OF METRE.

1 Answers   HCC,


how withstand of hi-pot test outputs of transformer wire 2.5mm

0 Answers  


what is working of communitator in a dc generator?

3 Answers  


Why are calling leading power factor is a capacitive load?

1 Answers  






what is the different ratings of ACB/VCB/SF6 which is used at HT side

3 Answers   Hosco,


a 3 phase motor was running with delta connected, suddenly one phase winding got burnt off, what will be the effect ?

8 Answers   Bhel, RRB, SR,


What is the difference between Derived earth Fault and measured earth fault.How it works.

1 Answers  


how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?

0 Answers  


What is the meaning of coupling and decoupling in the context of power flow?

5 Answers  


What is center gravity load in substation?

0 Answers  


what is surge impedance loading and it's significant in power system?

2 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)