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Three infinitely long wires with linear charge density \(\lambda\) are placed along the X-axis, Y-axis and Z-axis respec…

Q1

Three infinitely long wires with linear charge density \(\lambda\) are placed along the X-axis, Y-axis and Z-axis respectively. Which of the following denotes an equipotential surface?

a

\(\left({x}^{2}+{y}^{2}\right)\left({y}^{2}+{z}^{2}\right)\left({z}^{2}+{x}^{2}\right)=\text{ constant }\)

b

\(xy+yz+zx=\text{ constant }\)

c

\(\mathrm{xyz}=\text{ constant }\)

d

\((x+y)(y+z)(z+x)=\text{ constant }\)

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