An electrostatic precipitator has collection efficiency of 98% for fine particles of a dirty gas. Its collection area of plates is 50 m² and gas flow rate is 20 m³/s. If the migration velocity of the particles is changed by 0.1 m/s by changing the electric field, what will be the change in collection efficiency ?

A 0.05

B 0.10

C 0.005

D 0.001

Answer & Explanation
Answer:0.005

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