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You apply a potential difference of 5.04 V between the ends of a wire that is 2.85 m in length and 0.654 mm in radius. The resulting current through the wire is 18.14 A. What is the resistivity of the wire? 0 4.16&8&m 6 0.001310.\" 0 mac-40m 0 1.31E7-m A proton traveling at the speed of light (c = 3.0 x 10 m/s) through a uniform magnetic field of strength 1.41 7, experiences a force of magnitude 2.86 x 10 N. At what angle does the proton enter the field? O 25 O 320 O 23 O 37"A wire carries a steady current of 2930 mA. A straight section of the wire is 84.7 cm long and lies along the x axis within a uniform magnetic field, B = 2.17k T. If the current is in the + x direction, what is the magnetic force on the section of wire? O 5.39j N 538.53j N O 0.54j N 53.85j NAn object with a net charge of 45 JC is positioned in a uniform electric field of 257.27 N/C, directed vertically. Calculate the mass of the object if it "floats" in the electric field. 0 0.00118 kg O 1.75e-7 kg O 4.59e-6 kg O 0.113 kg

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