Physics 202 Assignment 6
Due: 3/18
(27.9) Problem 1. A current carrying circular loop of wire (radius r, current I) is partially immersed in a
magnetic field of constant magnitude B0 directed out of the page as shown in Fig. 27-39. Determine the
net force
Physics 202 Assignment 3
Due: 2/5
(23.10) Problem 1. A manufacturer claims that a carpet will not generate more than 5.0 kV of static electricity.
What magnitude of charge would have to be transferred between a carpet and a shoe for there to be a
5.0 kV p
Physics 202 Assignment 4
Due: 2/12
(24.9+) Problem 1. Compact ultracapacitors with capacitance values up to several thousand farad (!) are
now commercially available. One application for ultracapacitors is in providing power for electrical circuits
when o
Physics 202 Assignment 3 Solution Sketch
Problem 1. You can model this situation as a sort of parallel-plate capacitor. You can relate the charge
on each surface to the field between the surfaces, and the field to the voltage between them. Youll
have to e
Physics 202 Assignment 4 Solution Sketch
Problem 1. (a) Use the definition of capacitance C=Q/V to find charge. (b) There are several ways to
express the energy. (c) Assuming the capacitance remains constant, charge would be proportional to
voltage, so dr
Physics 202 Assignment 2
Due: 1/29
(22.9) Problem 1. In a certain region of space, the electric field is constant in direction (say horizontal, in
the x-direction), but its magnitude decreases from E = 560 N/C at x = 0 to E = 410 N/C at x = 25 m.
Determin
Physics 202 Assignment 2 Solution Sketch
Problem 1. Gausss law relates the flux through the sides of the box to the charge inside the box. Only
two ends of the box have flux, but one is positive (outward) and the other is negative (inward). The field
is p
Physics 202 Assignment 5
Due: 2/19
(25.25) Problem 1. A length of wire is cut in half and the two lengths are wrapped together side by side to make
a thicker wire. How does the resistance of this new combination compare to the resistance of the original
w