Why carbon brushes are used in motors?

6 Answers   BARC,

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60 watt bulb and 1500watt iron which device has more resistance & why

5 Answers   RMSI,

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what are the sample questions asking to the test cunducting for electrical superwising lisence test?

0 Answers   APTransco,

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working principle of current sensing relay? how its work?

1 Answers  

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a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

0 Answers  

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what is the use of 6.6kV/6.6kV Transformer???

3 Answers  

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what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.

0 Answers   Bajaj,

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what is sevice settings for mccb?How can be it setted?

0 Answers  

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Ammeter of 1 ohm resistance measure max 10 ohm to measure higher resistance from it

6 Answers   BARC,

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what is the full name of ELCB &MDB <MCB

2 Answers  

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What happens if fuse is connected to neutral wire

9 Answers   HAL,

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why we cannot protect 100% winding of an alternator by using differential protection?

0 Answers  

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