Question

Circuit A has a resistance of 7.5 ohms, and circuit B has a resistance of 5 ohms. Which statement about the circuits must be correct?

Answer 1

The answer depends on the context and specific information given about the circuits.

If the question is asking about the electrical behavior of the circuits, then the statement "Circuit A has a higher resistance than Circuit B" must be correct, since 7.5 ohms is greater than 5 ohms.

If the question is asking about the power dissipated in the circuits, then the statement "Circuit A dissipates more power than Circuit B" must be correct. This is because the power dissipated in a circuit is equal to the square of the current multiplied by the resistance (P = I^2 * R), and Circuit A has a higher resistance.

However, if the question is asking about other characteristics of the circuits, such as voltage or current, the given information is not sufficient to determine which statement must be correct.