What does '$Z$' represent in the given figure?

  • A
    Collection plate
  • B
    Negatively charged wire
  • C
    Dust particles
  • D
    Dischargers

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Similar Questions

Which steps were taken in Delhi to reduce pollution from vehicles?
$I-$ Phasing out of old vehicles
$II -$ Use of leaded petrol
$III -$ Use of low-sulphur petrol and diesel
$IV -$ Use of catalytic converters in vehicles
$V -$ Application of stringent pollution level norms for vehicles

All of the following contribute to pollution $EXCEPT$:

Which aquatic plant, introduced from America, has caused significant ecological problems in India?

$CNG$ is considered a more efficient fuel. Which of the following statements is incorrect regarding it?

Which one of the following statements regarding $BOD$ is true?

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