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HW8pg2

HW8pg2 - A hair dryer draws 7.3 A w en blugged Will a 120 V...

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Unformatted text preview: A hair dryer draws 7.3 A w en blugged Will a 120 V line. (a) What lS its resistance? -~’IEQ (b) H0w rnuch charge passes threugh it in 14 rnin'? (Assume direct current.) -~/-6130 c A 6.0 V battery is c0nnec‘ted t0 a bulb whese registance is 1.3 Q. H0w many electrens leave the battery per minute? -'ll 1:739+21 electr0nsfrnin A bird stands 0n a dc electric transmission line carrying 2088 A (see the figure). The line has 2.3 x 10'5 Q resistance per meter, and the bird's feet are 4.0 cm apart. What is the potential difference between the bird'sfeet? -¢I 0.00104 ...
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