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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…

Q1

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

a

R

b

\(\frac{\mathrm{R}}{2}\)

c

\(\frac{R}{8}\)

d

2 R

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