The ohm is the measurement for the amount of what that exists in a circuit object?

The ohm is the measurement for the amount of what that exists in a circuit object?

• A. current flow
• B. electromotive force
• C. opposition to current flow
• D. potential difference

Answer: (C)

Resistance is the measure of how much a circuit component opposes the flow of current. The ohm is the unit used for this opposition, so it tells you how hard it is for charges to move through that object. Ohm's law links these ideas with V = I R: for a given voltage, higher resistance means less current. The other terms describe things that drive or exist as voltage (electromotive force and potential difference) or the amount of current itself, not the resistance.

Resistance is the measure of how much a circuit component opposes the flow of current. The ohm is the unit used for this opposition, so it tells you how hard it is for charges to move through that object. Ohm's law links these ideas with V = I R: for a given voltage, higher resistance means less current. The other terms describe things that drive or exist as voltage (electromotive force and potential difference) or the amount of current itself, not the resistance.