What resistance is needed in a circuit with a voltage of 30 volts and a current of 1.3 amperes?

To determine the resistance needed in a circuit, Ohm's Law can be applied, which states that voltage (V) is equal to current (I) multiplied by resistance (R). This can be represented mathematically as:

[ V = I \times R ]

In this case, you have a voltage of 30 volts and a current of 1.3 amperes. To find the resistance, you can rearrange the formula to solve for R:

[ R = \frac{V}{I} ]

Substituting the known values into the equation gives:

[ R = \frac{30 \text{ volts}}{1.3 \text{ amperes}} ]

Calculating this yields approximately 23.076 ohms. Therefore, the correct answer accurately reflects the required resistance for the stated voltage and current, ensuring that the circuit will function properly according to Ohm's Law.