Help. Please show steps involving the physics and relevant diagrams. Thank you.

Question

Help. Please show steps involving the physics and relevant diagrams. Thank you.

A current loop carrying a current I is shown below. Given that a-R and b-2R Q5: What is the direction of the net magnetic field at point P due to the current loop? a. out of the page c. to the right e. upward g. none, the net field is zero b. into the page d. to the left f, downward P4: If I = 5.0 A and R = 10 cm in the above question, calculate the magnitude of the net field at point P due to the current loop. c. 24 uT d. 35 HT b. 16 ulT f. none of these e. 47uT

Explanation / Answer

Q5 ) a) out of the page (using right hand rule)

here the ineer loop produces magnetic field out of the page and
outer loop produces magnetci field into the page.

But, B_out > B_in

so, net magnetic field is out of the page)

Q6) a) 12 micro T

at the center, Bnet = (3/4)*(mue*I/2)*(1/a - 1/b)

= 0.375*4*pi*10^-7*5*(1/0.1 - 1/0.2)

= 11.78*10^-6 T

approximately 12 micro T

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