PH-1256
Combining resistors
Physics · Secondary 4 · Easy · Combining resistors
A 9.0 V battery is connected across two identical 4.5 Ω resistors in parallel.
What is the effective resistance of the parallel combination?
What is the effective resistance of the parallel combination?
- 2.25 Ω
- 4.5 Ω
- 9.0 Ω
- 18 Ω
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