If a voltmeter of resistance 1000 Ω is connected across a resistance of 500 Ω in the given circuit, then the reading of voltmeter will be

Question

If a voltmeter of resistance 1000 Ω is connected across a resistance of 500 Ω in the given circuit, then the reading of voltmeter will be (A) 1 V (B) 2 V (C) 6 V (D) 4 V

Tardigrade Admin · Accepted Answer

Total current through the circuit i=(10/(1000)3+500) =(3/250) A ∴ Voltmeter reading =iV × RV=(2/3) × (3/250) × 500=4 V

Q. If a voltmeter of resistance $1000 Ω$ is connected across a resistance of $500 Ω$ in the given circuit, then the reading of voltmeter will be

1 V

2 V

6 V

4 V

Total current through the circuit
$i = \frac{10}{\frac{1000}{3} + 500}$
$= \frac{3}{250} A$
$∴$ Voltmeter reading
$= i_{V} \times R_{V} = \frac{2}{3} \times \frac{3}{250} \times 500 = 4 V$

Q. If a voltmeter of resistance 1000Ω is connected across a resistance of 500Ω in the given circuit, then the reading of voltmeter will be

1 V

2 V

6 V

4 V

Total current through the circuit i=31000​+50010​ =2503​A ∴ Voltmeter reading =iV​×RV​=32​×2503​×500=4V

Q. If a voltmeter of resistance $1000 Ω$ is connected across a resistance of $500 Ω$ in the given circuit, then the reading of voltmeter will be

Total current through the circuit
$i = \frac{10}{\frac{1000}{3} + 500}$
$= \frac{3}{250} A$
$∴$ Voltmeter reading
$= i_{V} \times R_{V} = \frac{2}{3} \times \frac{3}{250} \times 500 = 4 V$