A wire 3.77 m long and 6.81 mm in diameter has a resistance of 20.6 m2. A potential difference of 26.6 V is applied between the ends. (a) What is the current in amperes in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the material of which the wire is made
A wire 3.77 m long and 6.81 mm in diameter has a resistance of 20.6 m2. A potential difference of 26.6 V is applied between the ends. (a) What is the current in amperes in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the material of which the wire is made
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Transcribed Image Text:A wire 3.77 m long and 6.81 mm in diameter has a resistance of 20.6 m2. A potential difference of 26.6 V is applied between the ends.
(a) What is the current in amperes in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the
material of which the wire is made.
(a) Number 1
(b) Number i
(c) Number i
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