A voltmeter consists of a 25Ω coil connected in series with a 575Ω resistor.
Question:

A voltmeter consists of a $25 \Omega$ coil connected in series with a $575 \Omega$ resistor. The coil takes $10 \mathrm{~mA}$ for full scale deflection. What maximum potential difference can be measured on this voltmeter?

Solution: