The overall delay is directly proportional to the relative resistance.

Explanation:
The overall delay refers to the time it takes for a signal to propagate through a circuit or system. It is influenced by various factors such as the resistance, capacitance, and inductance present in the circuit. In this case, we are specifically considering the influence of resistance on the overall delay.

When we say that the overall delay is directly proportional to the relative resistance, it means that as the resistance increases, the overall delay also increases. Similarly, when the resistance decreases, the overall delay decreases as well. This relationship holds true under certain assumptions and conditions.

Here's why the overall delay is directly proportional to the relative resistance:

1. Resistance and Delay:
- Resistance is a property of a material or component that opposes the flow of electric current. It is measured in ohms (Ω).
- When an electric current flows through a resistance, it experiences a voltage drop and dissipates energy in the form of heat.
- This voltage drop and energy dissipation contribute to the delay in the signal propagation through the circuit.
- Higher resistance leads to a larger voltage drop and more energy dissipation, resulting in a longer overall delay.

2. Proportionality:
- Direct proportionality means that as one variable (relative resistance) increases, the other variable (overall delay) also increases in the same ratio, and vice versa.
- In this case, as the relative resistance increases, the overall delay increases proportionally.
- The same relationship applies when the relative resistance decreases, resulting in a decrease in the overall delay.

3. Other Factors:
- It's important to note that the overall delay is influenced by other factors as well, such as capacitance and inductance.
- However, in this particular question, we are considering the influence of resistance alone on the overall delay.
- The relationship between resistance and delay remains valid as long as other factors remain constant.

To summarize, the overall delay is directly proportional to the relative resistance. As the resistance increases, the overall delay also increases, and as the resistance decreases, the overall delay decreases. This relationship holds true when considering the influence of resistance alone on the overall delay, assuming other factors remain constant.