Final answer:
To calculate the apparent power delivered by each of the 1ϕ transformers, use the formula: Apparent power (S) = voltage (V) x current (I).
Step-by-step explanation:
The apparent power delivered by single-phase transformers depends on the voltage, current, and power factor, and can be calculated using the relevant formulas. For an ideal step-up transformer or multipurpose transformers, we use the transformer's turn ratio to determine output power and secondary coil turns. Practical aspects like power dissipation in transmission lines are derived from current and resistance, considering the phase difference between voltage and current.
Apparent power is the product of the voltage and current in an AC circuit. To calculate the apparent power delivered by each of the 1ϕ transformers, we need to know the voltage (V) and current (I). Without that information, we cannot provide a specific value. However, the formula to calculate apparent power is:
Apparent power (S) = voltage (V) x current (I)
Once you have the voltage and current values for each transformer, you can multiply them together to find the apparent power.