1
JEE Main 2023 (Online) 11th April Morning Shift
Numerical
+4
-1
Change Language

In the circuit diagram shown in figure given below, the current flowing through resistance $$3 ~\Omega$$ is $$\frac{x}{3} A$$.

The value of $$x$$ is ___________

JEE Main 2023 (Online) 11th April Morning Shift Physics - Current Electricity Question 60 English

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2
JEE Main 2023 (Online) 10th April Evening Shift
Numerical
+4
-1
Change Language

A rectangular parallelopiped is measured as $$1 \mathrm{~cm} \times 1 \mathrm{~cm} \times 100 \mathrm{~cm}$$. If its specific resistance is $$3 \times 10^{-7} ~\Omega \mathrm{m}$$, then the resistance between its two opposite rectangular faces will be ___________ $$\times 10^{-7} ~\Omega$$.

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3
JEE Main 2023 (Online) 10th April Morning Shift
Numerical
+4
-1
Change Language

10 resistors each of resistance 10 $$\Omega$$ can be connected in such as to get maximum and minimum equivalent resistance. The ratio of maximum and minimum equivalent resistance will be ___________.

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4
JEE Main 2023 (Online) 8th April Evening Shift
Numerical
+4
-1
Change Language

The number density of free electrons in copper is nearly $$8 \times 10^{28} \mathrm{~m}^{-3}$$. A copper wire has its area of cross section $$=2 \times 10^{-6} \mathrm{~m}^{2}$$ and is carrying a current of $$3.2 \mathrm{~A}$$. The drift speed of the electrons is ___________ $$\times 10^{-6} \mathrm{ms}^{-1}$$

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