A long, straight wire perpendicular to this page carries acurrent of 5.47 A dire

Question

A long, straight wire perpendicular to this page carries acurrent of 5.47 A directed into the page. Find the magnetic fieldat the following points, all 10.4 cm from the wire. (a) 10.4 cm to the left of the wire magnitude ?  

(b) 10.4 cm directly below the wire magnitude ?  

(c) 10.4 cm to the right of the wire magnitude   ?

(d) 10.4 cm directly above the wire magnitude   ?

A long, straight wire perpendicular to this page carries acurrent of 5.47 A directed into the page. Find the magnetic fieldat the following points, all 10.4 cm from the wire. (a) 10.4 cm to the left of the wire magnitude ?  

(b) 10.4 cm directly below the wire magnitude ?  

(c) 10.4 cm to the right of the wire magnitude   ?

(d) 10.4 cm directly above the wire magnitude   ?

Explanation / Answer

Current I = 5.47 A

Distance r= 10.4 cm =0.104 m

(a). magnetic field B = I / [ 2(pi) r ]

(b). magnetic field B = I / [ 2(pi) r ]

(c). magnetic field B = I / [ 2(pi) r ]

(d). magnetic field B = I / [ 2(pi) r ]

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