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Problem 3: a) r = 0 theta = 0 k = (Q_0*(1+2*T/T)) / (Pi*R^2*epsilon_0) b) r = 0 theta = mu_0*I*r/(2*Pi*R^2) k = 0 c) r = - 1/mu_0 * E X B <- note the sign. theta = 0 k = 0 d), e) -Q*I*D/(Pi*R^2*epsilon_0) Note that Q = Q_0*(1+2T/T) and I = dQ/dt

Q.1_1_1 rho*g*A 1/2*rho*g*A Q.1_1_2 -2*rho*g*A*L

a) B = mu_0*I/(2*Pi*r) b) phi = (mu_0*I*L/(2*Pi))*ln(1+w/h) c) i = (-1/R)*(mu_0*L)/(2*Pi)*ln(1+w/h)*(di/dt)

a) 0 0 sigma/(2*epsilon_0) - rho*D/(2*epsilon_0) b) 0 0 c) 0 0