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

Options

A. A: Discharge corona, B: Negatively charged wire, C: Collection plate grounded, D : Dust Particles
B. A: Dust particles, B: Discharge corona, C: Negatively charge wire, D: Collection plate grounded
C. A: Negatively charged wire, B: Discharge corona, C: Collection plate grounded, D : Dust particles
D. A: Collection plate grounded, B: Dust particles, C: Negatively charge wire, D: Discharge corona

Answer

A