Two resistors R1 and R2, with resistances 2Ω and 3Ω respectively, are connected in series to a 15V battery source. What is the current across R2 (in A)?

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Two resistors R1, and R2, with resistances 2Ω and 3Ω, respectively, are connected in series to a 15V battery source. The current across R2 (in A) is?

B7.5

C15

D4.5

Answer:

Calculate the total resistance of the circuit and then use Ohm's Law to find the current.

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