Answer / c.hari balakrishnan

Nickel cadmium batteries are maintenance free batteries
and cost is high comaparing to lead acid batteries.
Sulphation formation is not so much frequent in NiCad
batteries,But in lead acid batteries regular maintenance to
be done.

if 40 watt bulb has higher resistance then a 100watt bulb then according to joul farmula p=I^2R the 40 watt bulb more power consume then 100 watt bulb.

5 Answers  

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How many types of isolator is available for H.T.lines? which one is best for sub-station?

4 Answers  

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100V supply is appllied between 500K Resistance bulb. for 1 kwh energy, how long time the bulb will glow? explain the calculating method.

3 Answers   Bhel,

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What is the function of the exiter in DG.

3 Answers  

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why diesel tank is earthed

1 Answers   ABB, NTPC,

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STATE WORKING OF SF6 C.B.?

1 Answers  

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what is the Transformer Impedence?How can calculate?

0 Answers  

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Why power factor is arising in electrical circuit, is it possible to eliminate from the circuit, why

2 Answers  

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An automatic water heater is an example of which type of control system?

0 Answers   GE,

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what is a drive ?

3 Answers  

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"What is the difference between voltage and potential differnce?"

15 Answers  

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What is master trip relay? How does it work?

1 Answers  

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