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Physics
Physics
Problem
A cell of emf 2.0 V and internal resistance 0.4 Ω is connected to an external resistor of 3.6 Ω. What is the potential difference across the external resistor? a)
2.2
V
2.2\,\text{V}
2.2
V
b)
2.0
V
2.0\,\text{V}
2.0
V
c)
1.8
V
1.8\,\text{V}
1.8
V
d)
1.6
V
1.6\,\text{V}
1.6
V
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