JEE Main · Physics

Current Electricity Practice Questions

Generate JEE Main level questions on Current Electricity. Focus on Ohm's law, Kirchhoff's laws, and Wheatstone bridge.

381 questions · 1 PYQs · 0 AI practice · JEE Main 2027

Q381NAT

Two resistors are connected in series across a battery as shown in figure. If a voltmeter of resistance $2000 Ω$ is used to measure the potential difference across $500 Ω$ resistor, the reading of the voltmeter will be _____V. [29-Jun-2022-Shift-2]

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📖 Explanation

New $R_{\;\text{eff }\;}=\;\frac{2000 \times 500}{2500}+600 Ω=1000 Ω$ $\Rightarrow$ Reading of voltmeter $=\;\frac{400}{1000} \times 20=8$ volts

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