Physics · 2021
JEE Main · 18 March 2021, Shift 2 · Q23
Two wires of same length and thickness having specific resistances 6 Ω cm and 3 Ω cm respectively are connected in parallel. The effective…
Two wires of same length and thickness having specific resistances $\displaystyle 6 \Omega \mathrm{~cm}$ and $\displaystyle 3 \Omega \mathrm{~cm}$ respectively are connected in parallel. The effective resistivity is $\displaystyle \rho \Omega \mathrm{cm}$. The value of $\displaystyle \rho$, to the nearest integer, is \_\_\_\_.
Official answer
4
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