Select the best answer to make the statement true, and place the letter of the answer in the space provided.
In remote control circuits,
a. fuses are required in the low-voltage portion.
b. lights may be controlled from any number of switch locations.
c. the transformer may be of any volt-ampere rating.
d. the transformer should be designed so that when overloaded, the output voltage increases.
e. the number of transformers required is directly proportional to the number of lights to be controlled.