881_Physics ProblemsTechnical Physics

881_Physics ProblemsTechnical Physics - Chapter 31 P31.20...

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Chapter 31 221 P31.20 I R Bv R == ε A v = 100 . m s FIG. P31.20 P31.21 (a) FB B II B =×= AA When I R = and = A we get F R B R B = = A A A af 22 250 120 200 600 300 ... . N . The applied force is . N to the right . (b) P = IR R 2 222 A . W or Fv W FIG. P31.21 P31.22 FI B B = A and = A I R R A so B IR v = A (a) F v B = 2 A A and I Fv R B 0500 A (b) 2 = W (c) For constant force, =⋅= = .. . N m s W bg . *P31.23 Model the magnetic flux inside the metallic tube as constant as it shrinks form radius
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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