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Where Is the Field Zero?

Difficulty: Easy · Topics: Magnetic Field, Straight Wire, Superposition

Maydon qayerda nolga teng?

As shown, a current of 1 A flows upward through each of two parallel wires 10 cm apart. How far from wire A is the point (between them) where the magnetic field is zero?

physics "view":[-0.4,-0.3,5.0,4.4],"alt":"Two long parallel wires A and B, 10 cm apart, each carrying 1 A upward.","items":["type":"block","at":[0.53,0],"size":[0.14,3.5],"fill":"grey","type":"arrow","from":[0.82,2.1],"to":[0.82,3.0],"colour":"velocity","width":2,"head":9,"type":"label","at":[1.02,2.55],"text":"1 A","anchor":"e","size":15,"type":"block","at":[3.93,0],"size":[0.14,3.5],"fill":"grey","type":"arrow","from":[3.78,2.1],"to":[3.78,3.0],"colour":"velocity","width":2,"head":9,"type":"label","at":[3.58,2.55],"text":"1 A","anchor":"w","size":15,"type":"label","at":[0.6,3.95],"text":"A","anchor":"c","size":15,"type":"label","at":[4.0,3.95],"text":"B","anchor":"c","size":15,"type":"dim","from":[0.67,1.5],"to":[3.93,1.5],"label":"10 cm","upright":true],"scale":1.2

Rasmda ko‘rsatilganidek, bir-biridan 10 cm uzoqlikdagi ikki parallel simning har biridan yuqoriga 1 A tok oqadi. Ular orasidagi magnit maydon nolga teng bo‘lgan nuqta A simdan qanchalik uzoqda?

physics "view":[-0.4,-0.3,5.0,4.4],"alt":"Two long parallel wires A and B, 10 cm apart, each carrying 1 A upward.","items":["type":"block","at":[0.53,0],"size":[0.14,3.5],"fill":"grey","type":"arrow","from":[0.82,2.1],"to":[0.82,3.0],"colour":"velocity","width":2,"head":9,"type":"label","at":[1.02,2.55],"text":"1 A","anchor":"e","size":15,"type":"block","at":[3.93,0],"size":[0.14,3.5],"fill":"grey","type":"arrow","from":[3.78,2.1],"to":[3.78,3.0],"colour":"velocity","width":2,"head":9,"type":"label","at":[3.58,2.55],"text":"1 A","anchor":"w","size":15,"type":"label","at":[0.6,3.95],"text":"A","anchor":"c","size":15,"type":"label","at":[4.0,3.95],"text":"B","anchor":"c","size":15,"type":"dim","from":[0.67,1.5],"to":[3.93,1.5],"label":"10 cm","upright":true],"scale":1.2

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