Three 2.10 Ω resistors are connected in series to a 21.0 V battery. What is the equivalent resistance (in Ω) of the circuit?  Ω What is the current (in A) in each resistor?  A (b) Three other 2.10 Ω resistors are all connected in parallel across a second 21.0 V battery. What is the equivalent resistance (in Ω) of this circuit?  Ω What is the current (in A) in each resistor in this circuit?

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