Two wires P and Q are made of the same material. The wire Q has twice the diameter and…
Physics · Class 12 · CBSE — Current Electricity
Two wires P and Q are made of the same material. The wire Q has twice the diameter and half the length as that of wire \(P\) . If the resistance of wire \(P\) is \(R\) , the resistance of the wire \(Q\) will be
- R
- \(\frac{R}{2}\)
- \(\frac{R}{8}\)
- 2 R
Answer
(C) R 8
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