Determine the resistivity of the wire

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Reference no: EM13247151

a portable cd player uses a current of 7.50 mA and has a resistance of 465 ?.

a) What potential difference has been applied to the player?

b) If the player uses 24-gauge wire (A= 0.20 mm2) with a length of 6.50 cm, what is the resistivity of the wire?

c) How much energy does the player use in 48.0 s?

Reference no: EM13247151

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