1
JEE Main 2022 (Online) 29th June Evening Shift
Numerical
+4
-1

Two resistors are connected in series across a battery as shown in figure. If a voltmeter of resistance 2000 $$\Omega$$ is used to measure the potential difference across 500 $$\Omega$$ resistor, the reading of the voltmeter will be ___________ V.

2
JEE Main 2022 (Online) 29th June Morning Shift
Numerical
+4
-1

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]

3
JEE Main 2022 (Online) 29th June Morning Shift
Numerical
+4
-1

For the network shown below, the value of VB $$-$$ VA is ____________ V.

4
JEE Main 2022 (Online) 28th June Evening Shift
Numerical
+4
-1

All resistances in figure are 1 $$\Omega$$ each. The value of current 'I' is $${a \over 5}$$ A. The value of a is _________.

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