In electrostatic air cleaner, air mixed with dust and pollen enters de

1.	In electrostatic air cleaner, air mixed with dust and pollen enters device across
A.	positively charged mesh
B.	negatively charged mesh
C.	neutral mesh
D.	dual charged mesh
Answer» B. negatively charged mesh

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In electrostatic air cleaner, air mixed with dust and pollen enters device across

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