Below is the representation of an electrostatic precipitator. What do the labels A, B, C and D suggest?

Question

Below is the representation of an electrostatic precipitator. What do the labels A, B, C and D suggest?, A: Discharge corona, B: Negatively charged wire, C: Collection plate grounded, D: Dust Particles, A: Dust particles, B: Discharge corona, C: Negatively charged wire, D: Collection plate grounded, A: Negatively charged wire, B: Discharge corona, C: Collection plate grounded, D: Dust particles, A: Collection plate grounded, B: Dust particles, C: Negatively charge wire, D: Discharge corona

MARKS App · Accepted Answer

Electrostatic precipitator is widely used in removing particulate matter from air. This device has electrode wires [B] kept at several thousand volts that releases electrons by making a corona [A]. Dust particles get a net negative charge by attaching to these electrons. The collecting plates are grounded and attract the charged dust particles. The velocity of air is kept low to allow the dust to fall ultimately cleaning the air.

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