What type of load can typically be supported by a .5 KVA transformer rated for 120 x 240 volts when configured correctly?

To determine the type of load that can be supported by a 0.5 KVA transformer rated for 120/240 volts, you first need to convert the KVA rating to amperes using the formula for power in a single-phase system:

Power (in VA) = Voltage (in volts) × Current (in amps).

Given that the transformer is rated at 0.5 KVA (or 500 VA) and assuming it is operating at the higher voltage configuration of 240 volts, you apply this formula:

500 VA = 240 volts × Current (in amps).

Rearranging this equation to solve for current gives:

Current = 500 VA / 240 volts = approximately 2.08 amps.

If you consider the lower voltage configuration of 120 volts, the calculation would be:

500 VA = 120 volts × Current (in amps).

Following the same rearrangement:

Current = 500 VA / 120 volts = approximately 4.17 amps.

To support a load indicated by the answer choice, the potential loads at full capacity can be examined. However, a focused evaluation on how various configurations of the transformer will lead to certain typical current ratings ensures it aligns best with choices provided.

The transformer