Step 1: Calculate the resistance of the nichrome wire using the formula:
\[ R = \frac{{\rho \times L}}{{A}} \]
where \( \rho = 15 \times 10^{-6} \, \Omega \cdot m \) (resistivity), \( L = 2 \, m \) (length), and \( A = \pi r^2 \) (area of the wire).
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