The circuit in figure consists of wires at the top and bottom and identical metal springs at the...

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The circuit in figure consists of wires at the top and bottom and identical metal springs at the left and right sides. The wire at the bottom has a mass of \( 10.0 \mathrm{~g} \) and is \( 5.00 \mathrm{~cm} \) long. The wire is hanging as shown in the figure. The springs stretch \( 0.500 \mathrm{~cm} \) under the weight of the wire, and the circuit has a total resistance of \( 12.0 \Omega \). When a magnetic
field is turned on, the springs
stretch an additional \( 0.300 \mathrm{~cm} \).
From the above statements we can conclude that
(1) the magnetic field is directed into the plane of page
(2) the magnetic field is directed out of the page
(3) the magnetic field is toward left in the plane of page
(4) the magnetic field is toward right in the plane of page
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