3 34 A potential difference of 220V is maintained across a

Last updated: 6/26/2023

3 34 A potential difference of 220V is maintained across a 12000 rheostat as shown in figure 3 390 The voltmeter has a resistance of 6000 and point C is at one fourth of the distance from a to b What is the reading of voltmeter 220V b a Figure 3 390 1