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```
four cells each of emf 2V and internal resistance 1ohm are connected in parallel with an external resistance of 6ohm.The current in the external resistance is?
four cells each of emf 2V and internal resistance 1ohm are connected in parallel with an external resistance of 6ohm.The current in the external resistance is?

```
one year ago

```							I) As cells are in parallel, the battery has net emf of 1.5 V and its net internal resistance, r is given by 1/r = 1 + 1 + 1 + 1= 4 => r = 0.25 ohm. (ii) total resistance, R = 0.25 + 6 = 6.25 ohm(iii) current flowing in the external circuit isI = 2 / R = 2 / 6.25 = 0.32A
```
one year ago
```							  battery has net emf of 2 V and its net internal resistance, r is given by 1/r = 1 + 1 + 1 + 1= 4 => r = 0.25 ohm. R = 0.25 + 6 = 6.25 ohmcurrent I = 2 / R = 2 / 6.25 = 0.32A
```
one year ago
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