Two cells of emfs E = 1.5 V and E, = 2.0 V and inter- nal resistances r, = 1.0 Q and r,2 = 1.5 Q respectively are connected to an external resistor R = 2.5 2 as %3D shown in Fig. 22.23. Find the potential difference (a) between points A and B (b) between points A and C (c) across R. E, E2 B A C r2 E D ww R Fig. 22.23
Two cells of emfs E = 1.5 V and E, = 2.0 V and inter- nal resistances r, = 1.0 Q and r,2 = 1.5 Q respectively are connected to an external resistor R = 2.5 2 as %3D shown in Fig. 22.23. Find the potential difference (a) between points A and B (b) between points A and C (c) across R. E, E2 B A C r2 E D ww R Fig. 22.23
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Transcribed Image Text:Two cells of emfs E, = 1.5 V and E,= 2.0 V and inter-
nal resistances r, = 1.0 Q and r2 = 1.5 N respectively
are connected to an external resistor R = 2.5 2 as
%3|
%3D
shown in Fig. 22.23. Find the potential difference
(a) between points A and B
(b) between points A and C
(c) across R.
E1
E2
А
r2
E
D
ww
R
Fig. 22.23
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