Voltmeter with internal |Current Electricity | JEE MAIN_2026

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JEE MAIN_2026

04-04-26_S2

Question

A voltmeter with internal resistance of $x \Omega$ can be used to measure upto 20 V . In order to increase its measuring range to 30 V , the required modification is to $\_\_\_\_$ .

Select the correct option:

A

connect resistor of $\frac{x}{2} \Omega$, in series with voltmeter.

B

connect resistor of $\frac{x}{2} \Omega$, in parallel to voltmeter.

C

connect a resistor of $\mathrm{x} \Omega$ in series with voltmeter.

D

connect resistor of $2 x \Omega$ in parallel to voltmeter.

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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