1. Two point charges Q1= 2.5µC and Q2= 1.5µC are initially very far apart. They are then broughttogether with the final separation of 2.5m. How much work does it take to bring them together?Show your complete solution.2. Two point particles of charge Q1=45µC and Q2=85µC are found to have a potential energy of 40J.What is the distance between the charges?3. You have a 12.0V motorcycle battery that can move 5000 Cof charge. How much energy does itdeliver?4. Dry air can support a maximum electric field strength of about 3.0 x 10 V/m. The field createsenough ionization in the air to make the air a conductor. What is the voltage between two parallelconducting plates separated by 2.5cm of dry air?

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1. Two point charges Q1= 2.5µC and Q2= 1.5µC are initially very far apart. They are then brought together with the final separation of 2.5m. How much work does it take to bring them together? Show your complete solution.