In electrostatic precipitator why positive terminal of
tranformer rectifier unit is grounded?

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In electrostatic precipitator why positive terminal of tranformer rectifier unit is grounded?..

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.

 Is This Answer Correct ? 8 Yes 4 No

In electrostatic precipitator why positive terminal of tranformer rectifier unit is grounded?..

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

 Is This Answer Correct ? 4 Yes 8 No

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