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Unformatted text preview: i 1 smaller than , the same as , or bigger than i 2 . (b) Is the resistance R 1 smaller than , the same as , or bigger than R 2 . (c) Is the potential difference V 1 smaller than , the same as , or bigger than V 2 . (d) Calculate the total energy dissipated in the whole wire in 10 minutes: Activity 2: The figure shows a copper wire, connected to a battery with potential difference V = 12 V. Half of the wire has a radius of r= 1.0 mm and length L = 1.0 m, the other half has a radius r/2 and length L = 0.5 m. The resistivity of copper is = 1.7 x 108 m. (a) Is the current i 1 smaller than , the same as , or bigger than i 2 . (b) Is the resistance R 1 smaller than , the same as , or bigger than R 2 . (c) Is the potential difference V 1 smaller than , the same as , or bigger than V 2 . (d) Calculate the total energy dissipated in the whole wire in 10 minutes:...
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 Fall '08
 GIMMNACO
 Physics, Charge

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