urgent

Example 11. Electrochemical machining is performed to remove material from an iron surface of 30 mm x 30 mm under the following conditions: Inter electrode gap 0.3 mm Supply voltage 12 V Specific resistance of electrolyte = 4 12-cm Atomic weight = 56 Valency = 2 Faraday's constant = 96500 C What is material removed in 20 s