(a) What is the magnitude of the magnetic field createdby I 1 at the locationof

Question

(a) What is the magnitude of the magnetic field createdby I1 at the locationof I2?
T  ---Direction---out of the monitorin the -x directioninto the monitorin the +x directionin the +y directionin the -y direction

(b) What is the force per unit length exertedon I2 by I1?
N/m  ---Direction---in the +x directionout of the monitorin the -y directioninto the monitorin the +y directionin the -x direction

(c) What is the magnitude of the magnetic field createdby I2 at the locationof I1?
T  ---Direction---in the -y directioninto the monitorin the +y directionout of the monitorin the -x directionin the +x direction

(d) What is the force per length exertedby I2 on I1?
N/m  ---Direction---into the monitorout of the monitorin the -x directionin the +x directionin the -y directionin the +y direction

Explanation / Answer

LET LENGTH OF THE CONDUCTOR BE L THEN FORCE ON I1 IS BI1 L HERE B = MAGNETIC FIELD PRODUCED BY I2 THEN B = 0I2/2d d = seperation between I1 and I2 =14cm = 0.14 m then force on I1 f = (0I2/2d)I1L then f/L = (0I2/2d)I1 HERE I1 = 2A          I2 = 8A 0/2 = 2*10-7H/m then f/L   =2*10-7*2*8/0.14
= 228.57N/m HERE I1 = 2A          I2 = 8A 0/2 = 2*10-7H/m then f/L   =2*10-7*2*8/0.14
= 228.57N/m

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