(a) What is the magnitude of the magnetic fieldcreated by I 1 at the location of

Question

(a) What is the magnitude of the magnetic fieldcreated by I1 at the location ofI2?
1 T 2---Direction---into the monitorin the +x directionin the -x directionin the -y directionin the +y directionout of the monitor

(b) What is the force per unit length exerted onI2 by I1?
3 N/m   4---Direction---in the -x directionin the -y directioninto the monitorout of the monitorin the +y directionin the +x direction

(c) What is the magnitude of the magnetic field created byI2 at the location ofI1?
5 T   6---Direction---into the monitorin the +x directionin the +y directionin the -x directionout of the monitorin the -y direction

(d) What is the force per length exerted by I2on I1?
7 N/m   8---Direction---in the +y directioninto the monitorin the -y directionin the +x directionout of the monitorin the -x direction

Explanation / Answer

    Given that the current is I1 = 3.00 A andI2 = 8.00 A     The separation between the wires is d =10.0 cm = 0.1 m --------------------------------------------------------------------------------- (a) the magnitude of the magnetic field created byI1 at the location ofI2                     B1 = 0*I1 / 2d                           =( 4*10-7 T.m/A)*I1 / 2d                          = ------------ T (b) the force per unit length exerted onI2 by I1                  F / L = 0*I1*I2 / 2d                           = ----------- N/m (c) the magnitude of the magnetic field created byI2 at the location of I1                     B1 = 0*I2 / 2d                           =( 4*10-7 T.m/A)*I1 / 2d                          = ------------ T (d)   the force per unit length exerted onI1 by I2                  F / L = 0*I1*I2 / 2d                           = ----------- N/m                             B1 = 0*I2 / 2d                           =( 4*10-7 T.m/A)*I1 / 2d                          = ------------ T                  F / L = 0*I1*I2 / 2d                           = ----------- N/m              

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