The correct answer to this question is A, 4Ω. Electrical components are what resistors are. As the name suggests, the purpose of resistors is to resist energy. To do this, they limit current flow through a circuit. Limiting the currents helps protect the electrical components.
This is extremely important for those components that have a risk of burning out with currents that are higher. Ohm's is the measurement for resistors. This measurement is derived from scientist Georg Simon Ohm.
An ohmmeter or a multimeter can be used to measure resistors. There are a number of resistors that are around, including carbon film resistors, electricity resistors, and wire-round resistors.
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