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4) 24 cm of wire is placed in 2.0 T magnetic field. given that the wire...

4) 24 cm of wire is placed in 2.0 T magnetic field. given that the wire has a resistance of 1.5 ohms and the wire and field are perpendicular, what will be the force on the wire when a 4.0 V battery is used to run a current through the wire?

a. 7.2 N

b. 13 N

c. 0.72 N

d. 1.9 N

e. 1.3 N

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Answer #1

length of crire, I = 24cm = 0.24m magnetic field, B = 2.0T Resistance, R = 1.5r. Emf of battery, &=400 currery through wire,

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