Question
Question: A voltmeter has a 25W coil and 575W in series. The coil takes 10 mA for full scale deflection. The m...
A voltmeter has a 25W coil and 575W in series. The coil takes 10 mA for full scale deflection. The maximum potential difference which can be measured is –
A
250 mV
B
5.75 V
C
5.5 V
D
6.0 V
Answer
6.0 V
Explanation
Solution
Vmax = Ig (Rg + R) = 10 × 10–3 (600) = 6V