3. A square loop of wire is held vertically so that it lies along a magnetic north-south line as shown. A compass is hel

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3 A Square Loop Of Wire Is Held Vertically So That It Lies Along A Magnetic North South Line As Shown A Compass Is Hel 1 (84.73 KiB) Viewed 38 times

3. A square loop of wire is held vertically so that it lies along a magnetic north-south line as shown. A compass is held in place in the center of the loop. The needle initially points toward magnetic north as shown. cross-section ofside wires E bottom compass a. The loop is now connected to a battery so that there is a current through it. The north pole of the compass needle now points toward 30° E of magnetic N. wire side view cross-sectional top view (before connected to battery) i. On the diagram, indicate the direction of the current through the loop. Explain how you determined your answer. ii. At the surface of the earth, the horizontal component of the earth's magnetic field is approximately 2.0 x 10-5 Tesla. Use the principle of superposition to determine the magnitude and direction of the magnetic field due to the coil at the center of the coil. W b. The terminals of the loop are detached from the battery and reconnected to one another. The loop is now pushed so that it rotates about the axis shown. S + N E i. At the instant shown, predict the direction of the induced current through the loop of wire (due to the rotation of the loop in the magnetic field of the earth). Explain how you determined your answer. side view cross-sectional top view (compass needle not showe ii. At the instant shown, predict whether the north pole of the compass needle will deflect toward the east or toward the west. Explain how you determined your answer. ول W S+N Magneti Magnetic