Determine what is current in battery across resistors

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Reference no: EM13288137

1) Nine identical wires, each of diameter d and length L, are connected in series. The combination has the same resistance as a single similar wire of length L but whose diameter is:

2) By using only two resistors, R1 and R2, a student is ableto obtain resistances of 3 Ω, 4Ω, 12Ω, and 16 Ω. The values of R1 and R2 (in ohms) are:

3) A battery is connected across a parallel combination of two identical resistors. If the potential difference across the terminals is V and the current in the battery is i, then:

Reference no: EM13288137

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