Answer / amit sharma

actually a dust particle is having -ve charge and it is
attracted by a +ve charge.
so for the collection of dust particles by the collecting
plates, they should have +ve charge and there is only a way
to get +ve charge.

Answer / ashok jain

becoz we need to attract -ve ions floating .if -ve terminal
is grounded heavy current will blow off all fuses.

how can i improve the power factor in domestic (230v)

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why three phase three wire system probably did'nt have neutral

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A low wet bulb temperature indicates

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whye the current increases in the motor when the load on the motor increases

3 Answers  

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why neutral can not used in three phase motor connection?

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Explain what cmos is and its benefits?

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Why can't we take NO LOAD TRIAL of motors having V1 mounting??

0 Answers  

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