H2P-283
Internal resistance
H2 Physics · JC 2 · Medium · Internal resistance
A battery has e.m.f. 6.0 V and internal resistance 0.40 Ω. It is connected in series with a 2.0 Ω resistor and a 5.0 Ω resistor. Calculate the potential difference across the 5.0 Ω resistor when the circuit is first switched on.
- 1.6 V
- 2.0 V
- 4.1 V
- 6.0 V
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