A circuit is constructed from two batteries and two wires, as shown in the diagram below.
Each battery has an emf of 1.3 volts. Each wire is 27 cm long, and has a diameter of 0.0007 meters. The wires are made of a metal which has 7e+28 mobile electrons per cubic meter; the electron mobility is 5e-05 (m/s)/(V/m). A steady current runs through the circuit. The locations marked by "x" and labeled by a letter are in the interior of the wire.
1.What is the magnitude of the electric field at location F?
EF= ________ V/m
2.How many electrons per second enter the positive end of battery #2?
__________electrons/s
3.If the cross-sectional area of both wires were increased by a factor of 2, what would the magnitude of the electric field be at location F?
new value of EF = ________V/m
A circuit is constructed from two batteries and two wires, as shown in the diagram below.
Each battery has an emf of 1.3 volts. Each wire is 27 cm long, and has a diameter of 0.0007 meters. The wires are made of a metal which has 7e+28 mobile electrons per cubic meter; the electron mobility is 5e-05 (m/s)/(V/m). A steady current runs through the circuit. The locations marked by "x" and labeled by a letter are in the interior of the wire.
1.What is the magnitude of the electric field at location F?
EF= ________ V/m
2.How many electrons per second enter the positive end of battery #2?
__________electrons/s
3.If the cross-sectional area of both wires were increased by a factor of 2, what would the magnitude of the electric field be at location F?
new value of EF = ________V/m
