The following circuit shows 3 resistors 2 ohm's , 4ohm's and 'R'ohm connected to a battery of emf 2V and internal resistance 3ohm s .A main current of 0.25 ampere flows through the circuit.
i)What is the potential difference across the 4ohms resistor.
ii)Calculate the potential difference across the internal resistance of the cell
iii)What is the potential difference across 'R' and 2 ohm resistors
iv) Calculate the value of 'R'
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