MCQ
In the above question, the resistance between the square faces is
- A$3 \times 10^{-9} \mathrm{ohm}$
- B$3 \times 10^{-7} \mathrm{ohm}$
- C$3 \times 10^{-5} \mathrm{ohm}$
- ✓$3 \times 10^{-3} \mathrm{ohm}$
✓
Answer
Correct option: D.
$3 \times 10^{-3} \mathrm{ohm}$
(d) In the above question for calculating equivalent resistance between two opposite square faces.
$ I=100 \mathrm{~cm}=1 \mathrm{~m}, A=1 \mathrm{~cm}=10 \cdot \mathrm{m}, \text { so resistance } R=3 \times 10$
$ \times \frac{1}{10^{-4}}=3 \times 10^{-3} \Omega$
$ I=100 \mathrm{~cm}=1 \mathrm{~m}, A=1 \mathrm{~cm}=10 \cdot \mathrm{m}, \text { so resistance } R=3 \times 10$
$ \times \frac{1}{10^{-4}}=3 \times 10^{-3} \Omega$
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