Mass m = 1.15 kg is suspended vertically at rest by an insulating string connected to a circuit partially immersed in a magnetic field as in the figure below. The magnetic field has magnitude B = 2.80 T and the length = 0.370 m. x x x x x V 3 x x IN HINT (a) Find the current I (in A). A x x x x x *R Ⓡ (b) If & 115 V, find the required resistance R (in (2). Ω
Mass m = 1.15 kg is suspended vertically at rest by an insulating string connected to a circuit partially immersed in a magnetic field as in the figure below. The magnetic field has magnitude B = 2.80 T and the length = 0.370 m. x x x x x V 3 x x IN HINT (a) Find the current I (in A). A x x x x x *R Ⓡ (b) If & 115 V, find the required resistance R (in (2). Ω
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Transcribed Image Text:Mass m = 1.15 kg is suspended vertically at rest by an insulating string connected to a circuit partially immersed in a magnetic field as in the figure below. The magnetic field has magnitude B = 2.80 T
and the length l = 0.370 m.
HINT
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R
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(a) Find the current I (in A).
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(b) If = 115 V, find the required resistance R (in ).
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