A straight wire of mass 50 g and length 5.0 cm is suspended from two identicaF springs that, in turn, form a closed circuit (see the figure). The springs stretch a distance of 0.5 cm under the weight of the wire. The circuit has a total resistance of 12 2. When a magnetic field directed out of the page (indicated by the dots in the figure) is turned on, the springs are observed to stretch an additional 0.3 cm. What is the strength of the magnetic field in units of Tesla? (g = 10 m/s²).
A straight wire of mass 50 g and length 5.0 cm is suspended from two identicaF springs that, in turn, form a closed circuit (see the figure). The springs stretch a distance of 0.5 cm under the weight of the wire. The circuit has a total resistance of 12 2. When a magnetic field directed out of the page (indicated by the dots in the figure) is turned on, the springs are observed to stretch an additional 0.3 cm. What is the strength of the magnetic field in units of Tesla? (g = 10 m/s²).
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24,0 V
5,0 cm
A straight wire of mass 50 g and length 5.0 cm is suspended from two identical
springs that, in turn, form a closed circuit (see the figure). The springs stretch a
distance of 0.5 cm under the weight of the wire. The circuit has a total resistance
of 12 Q. When a magnetic field directed out of the page (indicated by the dots in
the figure) is turned on, the springs are observed to stretch an additional 0.3 cm.
What is the strength of the magnetic field in units of Tesla? (g = 10 m/s²).
a) B = 0.6 b) B = 1.2 c) B = 1.8 d) B = 2.4 e) B = 3.0
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