A charge of uniform density (0.80 nC/m) is distributed along the x axis from the origin to the point x = 10 cm. What is the electric potential (relative to zero at infinity) at a point, x = 18 cm, on the x axis?
a. 7.1 V
b. 5.8 V
c. 9.0 V
d. 13 V
e. 16 V
b
Physics & Space Science
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Two long parallel wires 45.6 cm apart are carrying currents of 13.0 A and 23.0 A in the same direction. What is the magnitude of the magnetic field halfway between the wires?
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Physics & Space Science