Four resistors are connected in parallel. Fifteen mA flows through resistor R. If the second resistor is 2R, the third resistor 3R, and the fourth resistor 4R, the total current in the circuit is______________?

A. 60 mA

B. 15 mA

C. 135 mA

D. 31.25 mACorrect Answer

Correct Option: D. 31.25 mA

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