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Q1 A potential difference of 13 V is found to produce a current of 0.45 A in...

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Physics

Q1


A potential difference of 13 V is found to produce a current of0.45 A in a 3.1 m length of wire with a uniform radius of 0.36 cm.Find the following values for the wire: (a) the resistance (b) theresistivity

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4.0 Ratings (564 Votes)
a resistance is equal to potential difference divided by current R V I so R 13 Volts 45 Amperes 2889 Ohms b resistance is also equal to resistivity symbol that looks like a p multiplied by length    See Answer
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