(D) In an electrostatic precipitator,the electrode wires are maintained at several thousand volts,which produces a corona that releases electrons. The

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(D) In an electrostatic precipitator,the electrode wires are maintained at several thousand volts,which produces a corona that releases electrons. These free electrons attach to the dust particles present in the air,thereby giving them a negative charge. Therefore,all the given statements are correct.

Class 12 Biology Environmental Issues Pollution

Medium

Select the correct statement regarding the electrode wires in an electrostatic precipitator.

A
They generate a corona that releases electrons.
B
Electrons attach to dust particles.
C
They give a negative charge to dust particles.
D
All of the above.

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Select the correct statement regarding the electrode wires in an electrostatic precipitator.

Similar Questions

$A$: $Euro-II$ norms were framed to reduce the content of $CO$ and aromatic compounds from fuels.$R$: These compounds lead to reduced visibility and carboxyhemoglobin formation.

What significant event occurred on $1$ April $2010$ in the context of environmental regulations in India?

$A$: Taj Mahal is being destroyed by $SO_2$ coming from Mathura refinery.$R$: This converts $CaCO_3$ into unstable calcium sulphate.

According to the $CPCB$,what is the significance of particulate matter with a diameter of $2.5 \ \mu m$ or less?

According to the Euro-$III$ norms,what was the controlled limit for sulfur content in diesel (in $ppm$)?

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$A$: $Euro-II$ norms were framed to reduce the content of $CO$ and aromatic compounds from fuels.
$R$: These compounds lead to reduced visibility and carboxyhemoglobin formation.

$A$: Taj Mahal is being destroyed by $SO_2$ coming from Mathura refinery.
$R$: This converts $CaCO_3$ into unstable calcium sulphate.