A section of copper wire with resisivity, p = 1.70 × 10-8 • m,and total resistance, R = 10.0 2, is formed into a N = 70-turnrectangular coil that is a = 11.1-cm wide, and b = 19.7-cm long.=8.98 A, isThe coil, which is rated for a maximum current, IULplaced in the uniform magnetic field, B = 3.00 T, between thepoles of a powerful magnet, and rotated at constant angularspeed, w = 23.0 rad/s, as shown in the animation.SYMBOLIC INPUT. Use the variables defined above:N, p, a, b, R, w, B, and lu (d) Write a symbolic expression for the cross-sectional area of the wire (not the coil), then calculate its numeric value.Awire =(b) Write a symbolic expression for the maximum rate that the coil can safely be rotated, then calculate its numeric value.Rotation Rate =m²||RPM

ρ=1.70×10-8 ΩmR=10.0 ΩN=70α=11.1 cm=0.111 mβ=19.7 cm=0.197 mIUL=8.98 AB=3.00 Tω=2.30 rad/s

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