The resistance of a wire is \( 20 \mathrm{ohms} \). It is so stretched that the length becomes t...

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The resistance of a wire is \( 20 \mathrm{ohms} \). It is so stretched that the length becomes three times, then the new resistance of the wire will be
(A) \( 6.67 \mathrm{ohms} \)
(B) \( 60.0 \mathrm{ohms} \)
(C) 120 ohms
(D) \( 180.0 \mathrm{ohms} \)
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