Get Answers to all your Questions

header-bg qa

A rectangular parallelepiped is measured as 1cm\times 1cm\times 100cm. If its specific resistance is 3 \times 10^{-7} \Omega \mathrm{m} then the resistance between its tow opposite rectangular faces will be __________\times10^{7}\; \Omega

Option: 1

3


Option: 2

-


Option: 3

-


Option: 4

-


Answers (1)

best_answer

\begin{aligned} & \rho=3 \times 10^{-7} \Omega-\mathrm{cm} \\ & \mathrm{R}=\rho \cdot \frac{1}{\mathrm{~A}} \\ & =\frac{3 \times 10^{-7} \times\left(10^{-2} \mathrm{~m}\right)}{\left(100 \times 10^{-4} \mathrm{~m}^2\right)}=3 \times 10^{-7} \end{aligned}

Posted by

avinash.dongre

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE