A 12 V battery is connected in a circuit having 3 series connected resistors having resistances of 4 ohm, 9 ohm and 11 ohm. Determine the current flowing through and potential difference across the 9 ohm resistor.
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in series connection, all resistors will have the same current.
R=V/I
9=12/I
I=12/9 =4/3 A
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