PhysicsLAB AP Free Response Question
2003 B2

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A circuit contains two resistors (10  and 20 ) and two capacitors (12 µF and 6 µF) connected to a 6 V battery, as shown in the diagram above. The circuit has been connected for a long time.
 (a) Calculate the total capacitance of the circuit.

 (b) Calculate the current in the 10  resistor.

 (c) Calculate the potential difference between points A and B.

 (d) Calculate the charge stored on one plate of the 6 µF capacitor.

 (e) The wire is cut at point P. Will the potential difference between points A and B increase, decrease, or remain the same? Justify your answer.

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