a battery with emf=6v and no internal resistance

A battery with ε = 6.00 V and no internal resistance supplies current to the circuit shown in the figure below. When the double-throw switch S is open as shown in the figure, the current in the battery is 1.00 mA. When the switch is closed in position a, the current in the battery is 1.20 mA. When the switch is closed in position b, the current in the battery is 2.00 mA. Find the resistances (a) R1, (b) R2, and (c) R3.

[Shardus_Blunder]

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[abedallahalhamdan]

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[MayaSafavi]

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[niceguy]

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[gaothepotato]

Thank you so much for this. Can I ask what book is this question from (if it is from a book)?

[JhoanQuiintereitor]

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[chiragyadav]

one question is a10v cell of neligilble internal resistance is connected in parallel across a battery of emf200v and internal resistance 38ohm find the value of current in. ...circuit in which 10v, 200v,38 ohm is given

[dipamshah]

why isn't there potential difference in R3

[vishnuteerthapappu]

three resistors 4 ohms 6 ohms and 8 ohms are connected in parallel in an electric circuit if combination is connected to a battery of emf 25 volt and negligible internal resistance.Determine the current through each resistor and total current drawn through battery