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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Why OLTC(On Load Tap Changing)transformer is not recomended for improving voltage instability?

2 Answers  

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how does it help for selection of a transformer.

0 Answers  

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how to calculate neutral current in three phase four wire system

1 Answers   Auto Meters,

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What is the difference between Contactor and Circuit breaker ?

8 Answers  

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Why the rating of dc machine is in HP??/ Do reply guys..Its very important......

4 Answers   Apollo,

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two generator runnig with parallel but only one NGR on And one off Why

1 Answers  

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What are the advantages and disadvantages of the dc motors?

0 Answers  

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working of bulb?

1 Answers  

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what is the difference between potential transformer and capacitive voltage transformer?

1 Answers  

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How much current does a motor take in no load condition?

6 Answers  

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Can RCD's used to protect the VVVF drive if not why.

0 Answers  

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