Mass m = 1.30 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 = 2.40 T and the length { = 0.550 m. x x x x x x х| х х х х x x x x xx x R HINT (a) Find the current I (in A). (b) If Ɛ = 115 V, find the required resistance R (in N).

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Chapter1: Units, Trigonometry. And Vectors
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Mass m = 1.30 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 = 2.40 T and the length {
0.550 m.
+
R
m
HINT
(a)
Find the current I (in A).
A
(b) If E
115 V, find the required resistance R (in 0).
x x x x × x
xx x X x x
x x x
x x x xl x x
x x]x| × × x
* x x x *
X x x x x x
Transcribed Image Text:Mass m = 1.30 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 = 2.40 T and the length { 0.550 m. + R m HINT (a) Find the current I (in A). A (b) If E 115 V, find the required resistance R (in 0). x x x x × x xx x X x x x x x x x x xl x x x x]x| × × x * x x x * X x x x x x
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