The potential difference between two conductor is 110 V. How much work in moving 5 C charge from one conductor to the other ?

The potential difference between two conductors is 110 V. How much work is moving 10C charge from one conductor to the other?

The potential difference between two points is 20 V. How much work will be done in carrying a charge of 400 mu from one point to the other?

Find the potential difference between two points if 5J of works is done in moving a charge of 2mC from one point to another.