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Q. Assertion : An electrostatic precipitator $(ESP)$ is a particulate collection device that removes dust and smoke particles from flowing air using the force of an induced electrostatic charge.
Reason : An $ESP$ is a highly efficient device as it removes $99$ percent of particulate matter present in the exhaust from a thermal power plant.

Environmental Issues

Solution:

Correct answer is (b) If both assertion and reason are true but reason is not the correct explanation of assertion