A) x (gap)
B) r (radius of circle)
C) \[\theta \] (angle formed at centre)
D) t(thickness)
Correct Answer: C
Solution :
\[\theta =\frac{x}{r}\] |
\[\Rightarrow \]\[\theta '\text{ }=\frac{x+\Delta x}{R+\Delta R}=\frac{x\left( 1+\text{ }\alpha \Delta T \right)}{R\left( 1+\text{ }\alpha \Delta T \right)}=\frac{x}{R}\] |
So, \[\text{ }\!\!\theta\!\!\text{ }\] will remains constant rest all will increase. |
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