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प्रश्न
Four resistances of \(2.0 \Omega\) each are joined end to end to form a square ABCD. Calculate the equivalent resistance of the combination between any two adjacent corners.
संख्यात्मक
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उत्तर
Between adjacent corners, one path has a single \(2\ \Omega\) resistor; the other path has the remaining three in series:
\[R_{\text{other}}=2+2+2\]
= 6 Ω
These two paths are in parallel:
\[R_{\mathrm{eq}}=\frac{2\times6}{2+6}\]
= 1.5 Ω
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