A cylindrical metal rod of length $L_0$ is shaped into a ring with a small gap as shown. On heating the system
A cylindrical metal rod of length $L_0$ is shaped into a ring with a small gap as shown. On heating the system
- A
$x$ decreases, $r$ and $d$ increases
- B
$x$ and $r$ increases, $d$ decreases
- C
$x$, $r$ and $d$ all increase
- D
Data insufficient to arrive at a conclusion
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