Copper contains 2.5 x 1023 free electrons per cm³- What is the drift velocity (in m/sec) of electrons in a copper wire of cross-sectional area 4.4 mm? carrying a current of 1.4 A?
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- #2 A-C5. For the figure below, what are the magnitudes and directions of the following cross products? a. ₁ x ma = ? b. 7₂ x mã = ? C. ₁ XF = ? d. 7₂ x F = ? 0.6 m 7₁ TEN 72 0.6 m ma 0.8 m 0.8 m |ma|= 600 N |F|= 400 NA person traveled 20 m south, then 9 m east then 12 north and finally 5 m west. Find the displacement. a. 8.94 b. 6.31 c. 12.53 d. 7.44