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JEE Main 2022 (Online) 29th June Morning Shift
Numerical
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The variation of applied potential and current flowing through a given wire is shown in figure. The length of wire is 31.4 cm. The diameter of wire is measured as 2.4 cm. The resistivity of the given wire is measured as x $$\times$$ 10$$-$$3 $$\Omega$$ cm. The value of x is ____________. [Take $$\pi$$ = 3.14]

JEE Main 2022 (Online) 29th June Morning Shift Physics - Current Electricity Question 132 English

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2
JEE Main 2022 (Online) 29th June Morning Shift
Numerical
+4
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For the network shown below, the value of VB $$-$$ VA is ____________ V.

JEE Main 2022 (Online) 29th June Morning Shift Physics - Current Electricity Question 131 English

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3
JEE Main 2022 (Online) 28th June Evening Shift
Numerical
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All resistances in figure are 1 $$\Omega$$ each. The value of current 'I' is $${a \over 5}$$ A. The value of a is _________.

JEE Main 2022 (Online) 28th June Evening Shift Physics - Current Electricity Question 128 English

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4
JEE Main 2022 (Online) 28th June Morning Shift
Numerical
+4
-1
Change Language

A meter bridge setup is shown in the figure. It is used to determine an unknown resistance R using a given resistor of 15 $$\Omega$$. The galvanometer (G) shows null deflection when tapping key is at 43 cm mark from end A. If the end correction for end A is 2 cm, then the determined value of R will be ____________ $$\Omega$$.

JEE Main 2022 (Online) 28th June Morning Shift Physics - Current Electricity Question 125 English

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