Calculate Current in Nichrome Wire with 11V Voltage

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SUMMARY

The discussion focuses on calculating the current flowing through a nichrome wire when a voltage of 11V is applied. The wire has a diameter of 0.89 mm and a length of 42.49 cm. The relevant equation used is I = V / R, where R is the resistance of the wire. The resistance can be determined using the wire's dimensions and material properties, specifically the resistivity of nichrome.

PREREQUISITES
  • Understanding of Ohm's Law (I = V / R)
  • Knowledge of resistivity and resistance calculations
  • Familiarity with the properties of nichrome wire
  • Basic geometry for calculating cross-sectional area
NEXT STEPS
  • Calculate the resistance of nichrome wire using its resistivity and dimensions
  • Learn about the resistivity of nichrome at room temperature
  • Explore the relationship between wire diameter and resistance
  • Investigate the effects of temperature on the resistance of nichrome wire
USEFUL FOR

Students in physics or electrical engineering, hobbyists working with electrical circuits, and anyone interested in understanding current flow in conductive materials.

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[SOLVED] More Current...please help me!

Homework Statement


A 11 V potential difference is applied between the ends of a 0.89-mm-diameter, 42.49-cm-long nichrome wire. What is the current in the wire?


Homework Equations



I = Ch in V / R

The Attempt at a Solution



How do I find R?
 
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