MCQ
The length of the wire is doubled. Its conductance will be
- AUnchanged
- ✓Halved
- CQuadrupled
- D$1/4$ of the original value
✓
Answer
Correct option: B.
Halved
b
(b) Conductance $C = \frac{1}{R} = \frac{A}{{\rho l}}\, \Rightarrow \,C \propto \frac{1}{l}$
(b) Conductance $C = \frac{1}{R} = \frac{A}{{\rho l}}\, \Rightarrow \,C \propto \frac{1}{l}$
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