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In the circuit shown in the figure, four identical resistors are labelled A, B, C, and D. These are connected to a battery as shown.

In the circuit shown in the figure, four identical resistors are labelled A, B, C, and D. These are connected to a battery as shown. S1 and S2 are switches. When both switches are open (not connected) the current in C is 2A. What is the current in C when both switches are closed (connected)?

image text in transcribed
R R 10 V R O 90 30 0 3 O 60 O 40

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