# Physics

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(a) In the diagram above the small semi-circle in the wire above R_1 indicates that it is not in contact with the horizontal wire which it appears to intersect due to the 2-dimensional projection. Additionally, the horizontal wire is continuous, not broken. Calculate |V_1| in terms of the emf \mathcal\epsilon,R_1,R_2 (enter epsilon for \epsilon)

b)Calculate |V_2| in terms of the emf \mathcal\epsilon,R_1,R_2 (enter epsilon for \epsilon)

c)Express |V_1/V_2| in terms of R_1 and R_2

Now wrap that same wire not once around the circuit but 100 times before you connect it again to the D-side. Without realizing it, in doing so you have been building some kind of a transformer (we will discuss transformers later in the course).
d) Calculate |V_1| in terms of the 1 loop emf \mathcal\epsilon,R_1,R_2 (enter epsilon for \epsilon).

e) Calculate |V_2| in terms of the 1 loop emf \mathcal\epsilon,R_1,R_2 (enter epsilon for \epsilon).

f) Express |V_1/V_2| in terms of R_1 and R_2

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anyone?

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Any ideas guys?

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problem2 2 (R_2*epsilon)/(R_1+R_2)

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Thanks abdrrahim!
Anyone for the rest?

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Many thanks!

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problem1 1 (mu_0*I_0*r)/(2*pi*R_1^2) 2 (mu_0*I_0)/(2*pi*r) 3 (mu_0*I_0)/(2*pi*r)*(1-(r^2-R_2^2)/(R_3^2-R_2^2))
4 0

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Thanks abdrrahim. However, mu_0 and I_0 is not allowed it says. can you help please?

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It does not pass, pleas help!

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Sorry abdrrahim did not realise it was solution for Problem 1.

Do you have the others for Problem 2 please?

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Yes, please someone for problem 2!

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Nobody for Problem 2 guys!?

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Nobody for Problem 2?

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V2=(R_2*epsilon)/(R_1+R_2)
in both V2 options

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Thanks, hmmmm.
abdrahman mentioned that oen already above. Do you or anyone else have the other ones?

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not this question . but done 80% of others

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Thanks hmmmmm, what do you require? I need the second part of c) in problem 2 helmholtz hoils, do you have that please?
The answers for the other, you can read in my profile, if you don't have it yet.

Thanks.

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V1/V2=1+2*R_1/R_2
and V1/v2=100+101*(R_1/R_2)

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(a)((R_1*epsilon)/(R_1+R_2))+(epsilon)

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(b)((R_1*epsilon)/(R_1+R_2))+(100*epsilon)

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Great thank!

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Many thanks hmmmm!
Have you by any chance found the second part (Helmholtz Coild)for Problem 3 c)?

I have all others but that one with tesla in square meter is very hard.

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Please Problem 3 c) second part tesla in meters!?

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Please Problem 3) c) tesla in square meters!

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sorry i slept so couldn't reply i missed that part too.