A solenoid 10 cm in diameter and 630 cm long is made from copper wire of...

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science physics

Answer 1

Answer #1

The equation for resistance is

R = rho L / A = (1.68 x10^(-8) (6.3) / pi (0.025x10^(-2))^2 = 0.54 ohms

b) Magnetic field is

B = mu_o N I / L

1.5 = ( 4 \pi x 10^(-7) ) (10) I / 6.3

I = 7.52 x10^5 A

c)

Power P = I^2 R

= (7.52x10^5)^2 (0.54) = 3.05 x10^(11) A

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Answer 2

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