The current density in a copper wire of diameter 1.02 mm is 1.75x10^5 A/m^2. The number of free electrons Per cubic meter of copper is 8.5x10^28. Find the (a) current in the wire and (b) magnitude of drift velocity of electrons in the wire.
The current density in a copper wire of diameter 1.02 mm is 1.75x10^5 A/m^2. The number of free electrons Per cubic meter of copper is 8.5x10^28. Find the (a) current in the wire and (b) magnitude of drift velocity of electrons in the wire.
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Transcribed Image Text:The current density in a copper wire of diameter 1.02 mm is 1.75x10^5 A/m^2. The number of free electrons
Per cubic meter of copper is 8.5x10^28. Find the (a) current in the wire and (b) magnitude of drift velocity of
electrons in the wire.
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