A voltmeter with a resistance of $1 imes 10^{2} \Omega$ is connected across a 150 V source with in

Question

A voltmeter with a resistance of $1 	imes 10^{2} \Omega$ is connected across a 150 V source with internal resistance of 0.4 ohm. The voltmeter will read\

Professor PC Thomas Classes · Answer

$\mathrm{V}=\frac{\mathrm{ER}}{\mathrm{R}+\mathrm{r}}=\frac{150 	imes\left(1 	imes 10^{2}ight)}{\left(1 	imes 10^{2}ight)+0.4}$\