two bolbs of 100w and 40w respectively connected in series across a 230v supply.which bolb will glow bright and why?

16 Answers   DRDO, PSPCL, Siemens,

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Why the transformers making noise?

2 Answers   L&T,

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we have two 11/.433 kv. distribution Transformer rating as 1000 kva & 500 kva , i wants to run parallel both transformer. both transformer impendence voltage is 5.24%, How can we run both t/f, & how sharing the load

3 Answers  

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why we don't use earthing as neutral?

1 Answers  

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what is method of dc current measurement

5 Answers  

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What is the difference between emf, voltage drop and potential difference?

4 Answers  

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How does "OUT OF STEP" relay ,for Synchronous motor protection, work?

0 Answers  

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How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

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a room heater is connected in serise with a 100w bulb.if the 100w bulb is replaced by a 40w bulb then the output of the heater is increase/decrease/remain same?

9 Answers   College School Exams Tests,

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What safety followup during kWh meter isolation

0 Answers  

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break down of electricity is more in summer or in winter ? give reason

4 Answers  

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1. what is the power factor of a purely inductive load? (i) Zero (ii) Lagging (iii)Leading (iv) Unity 2. which type of transformer connection is preferred in case of power supply transformer? (i) Star/Star (ii) Delta/Delta (iii) Star/Delta (iv) Zig Zag/Star

2 Answers  

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