Electrical Potential 164 brigh how elect 4 1 6A Explain how electrical potential relates to the distance between charged objects In which of the cases below is the electrical potential energy increasing In which cases is the electrical potential energy decreasing In which cases is the electrical potential energy remaining constant 4 1 6B Use equation to determine electrical potential voltage work energy or charge What is the electrical potential generated when 15 0 joules of work are done in moving a 5 0 coulomb charge through an electric field What is the amount of work needed to increase the electrical potential of a 2 0 coulomb charge by 8 0 volts What is the charge on an object that requires 6 4 x 10 19 joules of work to be moved through an electrical potential of 2 0 volts 4 1 6C Convert from electron volts to joules and joules to electron volts Convert 3 2 x 10 5 joules into electron volts ev Convert 6 4 electron volts into joules 025 10 4 1 6D Explain when it is appropriate to express energy in units of electron volts What is the amount of energy needed to move an electron through an electrical potential of 3 0 volts Express this energy in both joules and electron volts An object with a 4 0 coulomb charge is accelerated through an electrical potential of 12 0 volts What amount of kinetic energy does the object gain Express this energy in both joules and electron volts Electrical Current 4 2 1A Use equation to determine electrical current charge or time What is the amount of electrical current passing through a wire if 35 coulombs of charge flow through it in 5 0 seconds If a 2 5 ampere current is flowing through a given point on a wire how long would it take for 100 coulombs of charge to pass this point How much charge passes through a wire if a current of 10 ampere flows through it for 30 seconds 4 2 18 Determine the number of electrons flowing through a system based on current or current based on number of electrons through a given point How many electrons per second are flowing through a point in a wire that has 5 0 amperes of current passing through it 6 4 x 10 4 electrons pass through a given point every second What amount of electrical current does this represent