Ch 17 hw 4

Ch 17 hw 4 - 1[MI02 17.E.18 2/2 points | 2/4 submissions...

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1. [MI02 17.E.18.] 2/2 points | 2/4 submissions Last Response | Show Details All Responses Notes What is the magnetic dipole moment of a 2000 turn rectangular coil that measures 3 cm by 3 cm and carries a current of 3 amperes? 5.4 5.4 A · m 2 2. [MI02 17.P.08.alt01.] 4/4 points | 2/4 submissions Last Response | Show Details All Responses Notes Wire with a loop in it A very long wire carrying a conventional current of 4.6 amperes is straight except for a circular loop of radius 7.8 cm (Figure 17.68). Calculate the approximate magnitude and the direction of the magnetic field at the center of the loop. | | = 4.884955e-5 4.88e-05 T j j Figure 17.68 3. [MI02 17.P.06.alt01.] 3/3 points | 1/4 submissions Last Response | Show Details All Responses Notes Deflecting a compass needle When you bring a current-carrying wire down onto the top of a compass, aligned with the original direction of the needle and 7 mm above the needle, the needle deflects by = 18 degrees (Figure 17.67). Figure 17.67
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Ch 17 hw 4 - 1[MI02 17.E.18 2/2 points | 2/4 submissions...

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