How can a multistage thermostat be applied to control an electric furnace?
A) The strips will receive 120 volts in the first stage and 240 volts in the second stage.
B) The blower will come on in the first stage and the strips in the second stage.
C) The strips will come on in the first stage and the fan in the second stage.
D) Fifty percent of the strips will be energized in the first stage and the rest in the second stage.
D
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