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 synchronous motor is not self starting

5 Answers   Cenored,

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What is the different between Insulator & Di-electrict?

2 Answers  

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what is the role of frequency in electrical system

2 Answers   Hindalco,

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how 650 volts creates? where is use?

0 Answers   DCL,

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why we are testing cables with DC supply not with AC supply?

9 Answers   Aurobindo, DEWA, L&T,

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how was the induction stove working?

3 Answers  

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Why an ac systems are preferred over dc systems?

0 Answers  

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what should be 3phase motor capacity or rating to connect in star connection. what should be 3phase motor capacity or rating to connect in delta connection. what should be 3phase motor capacity or rating to connect in star delta connection

1 Answers  

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what is settable hystersis protection? If any body knows plz kindly post the answer..

0 Answers  

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Two electrically operated Vibro Motors are fixed in parallel direction in vibrating feeder. What is the direction of both Vibro Motors?

1 Answers  

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why exciter frequency 150 Hz ?

1 Answers   Siemens,

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