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  4. Given below is a diagram of electrostatic precipitator. Identify A, B, C and D and select the correct option. <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/144d9fdf67e7c9ac23e31eb01abb0011-.jpeg /> A B C D (a) Negatively charged wire Negatively charged dust particles Discharge corona Collection plate (b) Negatively charged wire Discharge corona Collection plate Negatively charged dust particles (c) Positively charged wire Positively charged dust particles Discharge corona Collection plate (d) Positively charged wire Discharge corona Collection plate Positively charged dust particles

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Q. Given below is a diagram of electrostatic precipitator. Identify A, B, C and D and select the correct option.
image
A B C D
(a) Negatively charged wire Negatively charged dust particles Discharge corona Collection plate
(b) Negatively charged wire Discharge corona Collection plate Negatively charged dust particles
(c) Positively charged wire Positively charged dust particles Discharge corona Collection plate
(d) Positively charged wire Discharge corona Collection plate Positively charged dust particles

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Solution:

Correct answer is (b) b