Three resistors R1 = 1 k, R2 = 2 k, and R3 = 0.4 k are connected in parallel. Find the equivalent resistance.

Three resistors R1 = 1 k, R2 = 2 k, and R3 = 0.4 k are connected in parallel. Find the equivalent resistance.  When the parallel combination is connected across a 9 V battery, find the current in each resistor. 

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