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A 5-ampere fuse wire can withstand a maximum power of 1 watt in the circuit. The resistance of the fuse wire is :
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Verified Answer
The correct answer is:
$0.04 \mathrm{ohm}$
$$
\begin{aligned}
P & =I^2 R \\
\Rightarrow \quad & I=25 \times R \\
\Rightarrow \quad & R=\frac{1}{25}=0.04 \Omega
\end{aligned}
$$
\begin{aligned}
P & =I^2 R \\
\Rightarrow \quad & I=25 \times R \\
\Rightarrow \quad & R=\frac{1}{25}=0.04 \Omega
\end{aligned}
$$
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